Home / 910,325.04-1,256,153.28-502,419.36

Finding the Fourth Proportional to 910,325.04, 1,256,153.28 and 502,419.36

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Solution

The fourth proportional to 910,325.04, 1,256,153.28 and 502,419.36 is: 693,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,325.04 : 1,256,153.28 = 502,419.36 : x
  2. Step 2: Convert to fraction form
    910,325.04/1,256,153.28 = 502,419.36/x
  3. Step 3: Cross multiply
    910,325.04x = 1,256,153.28 × 502,419.36
  4. Step 4: Simplify right side
    910,325.04x = 631,115,726,999.50
  5. Step 5: Solve for x
    x = 631,115,726,999.50/910,325.04
  6. Step 6: Final answer
    x = 693,286.13

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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.