Home / 470,564.31-705,788.13-278,553

Finding the Fourth Proportional to 470,564.31, 705,788.13 and 278,553

Calculator

Solution

The fourth proportional to 470,564.31, 705,788.13 and 278,553 is: 417,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,564.31 : 705,788.13 = 278,553 : x
  2. Step 2: Convert to fraction form
    470,564.31/705,788.13 = 278,553/x
  3. Step 3: Cross multiply
    470,564.31x = 705,788.13 × 278,553
  4. Step 4: Simplify right side
    470,564.31x = 196,599,400,975.89
  5. Step 5: Solve for x
    x = 196,599,400,975.89/470,564.31
  6. Step 6: Final answer
    x = 417,794.97

Related Problems

Find fourth proportional to 235,282.16, 352,894.07 and 139,276.50
Half scale
Find fourth proportional to 941,128.62, 1,411,576.26 and 557,106
Double scale
Find fourth proportional to 470,565.31, 705,789.63 and 278,554
Similar ratio
Find fourth proportional to 705,846.47, 1,058,682.20 and 417,829.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.