Home / 508,746.07-702,034.45-282,373.75

Finding the Fourth Proportional to 508,746.07, 702,034.45 and 282,373.75

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Solution

The fourth proportional to 508,746.07, 702,034.45 and 282,373.75 is: 389,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,746.07 : 702,034.45 = 282,373.75 : x
  2. Step 2: Convert to fraction form
    508,746.07/702,034.45 = 282,373.75/x
  3. Step 3: Cross multiply
    508,746.07x = 702,034.45 × 282,373.75
  4. Step 4: Simplify right side
    508,746.07x = 198,236,100,275.69
  5. Step 5: Solve for x
    x = 198,236,100,275.69/508,746.07
  6. Step 6: Final answer
    x = 389,656.28

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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.