Home / 910,599.30-1,256,628.89-502,701.71

Finding the Fourth Proportional to 910,599.30, 1,256,628.89 and 502,701.71

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Solution

The fourth proportional to 910,599.30, 1,256,628.89 and 502,701.71 is: 693,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,599.30 : 1,256,628.89 = 502,701.71 : x
  2. Step 2: Convert to fraction form
    910,599.30/1,256,628.89 = 502,701.71/x
  3. Step 3: Cross multiply
    910,599.30x = 1,256,628.89 × 502,701.71
  4. Step 4: Simplify right side
    910,599.30x = 631,709,486,812.01
  5. Step 5: Solve for x
    x = 631,709,486,812.01/910,599.30
  6. Step 6: Final answer
    x = 693,729.38

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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.