Home / 943,225.40-1,301,650.67-513,505.41

Finding the Fourth Proportional to 943,225.40, 1,301,650.67 and 513,505.41

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Solution

The fourth proportional to 943,225.40, 1,301,650.67 and 513,505.41 is: 708,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,225.40 : 1,301,650.67 = 513,505.41 : x
  2. Step 2: Convert to fraction form
    943,225.40/1,301,650.67 = 513,505.41/x
  3. Step 3: Cross multiply
    943,225.40x = 1,301,650.67 × 513,505.41
  4. Step 4: Simplify right side
    943,225.40x = 668,404,658,407.60
  5. Step 5: Solve for x
    x = 668,404,658,407.60/943,225.40
  6. Step 6: Final answer
    x = 708,637.26

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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.