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Finding the Fourth Proportional to 508,062.95, 701,136.52 and 278,606.59

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Solution

The fourth proportional to 508,062.95, 701,136.52 and 278,606.59 is: 384,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,062.95 : 701,136.52 = 278,606.59 : x
  2. Step 2: Convert to fraction form
    508,062.95/701,136.52 = 278,606.59/x
  3. Step 3: Cross multiply
    508,062.95x = 701,136.52 × 278,606.59
  4. Step 4: Simplify right side
    508,062.95x = 195,341,253,117.16
  5. Step 5: Solve for x
    x = 195,341,253,117.16/508,062.95
  6. Step 6: Final answer
    x = 384,482.38

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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.