Home / 910,274.49-1,256,177.89-502,376.55

Finding the Fourth Proportional to 910,274.49, 1,256,177.89 and 502,376.55

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Solution

The fourth proportional to 910,274.49, 1,256,177.89 and 502,376.55 is: 693,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,274.49 : 1,256,177.89 = 502,376.55 : x
  2. Step 2: Convert to fraction form
    910,274.49/1,256,177.89 = 502,376.55/x
  3. Step 3: Cross multiply
    910,274.49x = 1,256,177.89 × 502,376.55
  4. Step 4: Simplify right side
    910,274.49x = 631,074,307,655.92
  5. Step 5: Solve for x
    x = 631,074,307,655.92/910,274.49
  6. Step 6: Final answer
    x = 693,279.13

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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.