Home / 910,119.28-1,255,908.12-502,224.36

Finding the Fourth Proportional to 910,119.28, 1,255,908.12 and 502,224.36

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Solution

The fourth proportional to 910,119.28, 1,255,908.12 and 502,224.36 is: 693,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,119.28 : 1,255,908.12 = 502,224.36 : x
  2. Step 2: Convert to fraction form
    910,119.28/1,255,908.12 = 502,224.36/x
  3. Step 3: Cross multiply
    910,119.28x = 1,255,908.12 × 502,224.36
  4. Step 4: Simplify right side
    910,119.28x = 630,747,651,785.80
  5. Step 5: Solve for x
    x = 630,747,651,785.80/910,119.28
  6. Step 6: Final answer
    x = 693,038.45

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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.