Home / 472,316.24-651,783.43-257,460.50

Finding the Fourth Proportional to 472,316.24, 651,783.43 and 257,460.50

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Solution

The fourth proportional to 472,316.24, 651,783.43 and 257,460.50 is: 355,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,316.24 : 651,783.43 = 257,460.50 : x
  2. Step 2: Convert to fraction form
    472,316.24/651,783.43 = 257,460.50/x
  3. Step 3: Cross multiply
    472,316.24x = 651,783.43 × 257,460.50
  4. Step 4: Simplify right side
    472,316.24x = 167,808,487,779.52
  5. Step 5: Solve for x
    x = 167,808,487,779.52/472,316.24
  6. Step 6: Final answer
    x = 355,288.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.