Home / 732,129.68-1,010,222.60-409,853.36

Finding the Fourth Proportional to 732,129.68, 1,010,222.60 and 409,853.36

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Solution

The fourth proportional to 732,129.68, 1,010,222.60 and 409,853.36 is: 565,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,129.68 : 1,010,222.60 = 409,853.36 : x
  2. Step 2: Convert to fraction form
    732,129.68/1,010,222.60 = 409,853.36/x
  3. Step 3: Cross multiply
    732,129.68x = 1,010,222.60 × 409,853.36
  4. Step 4: Simplify right side
    732,129.68x = 414,043,126,957.94
  5. Step 5: Solve for x
    x = 414,043,126,957.94/732,129.68
  6. Step 6: Final answer
    x = 565,532.50

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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.