Home / 908,530.88-1,253,798.53-506,148.80

Finding the Fourth Proportional to 908,530.88, 1,253,798.53 and 506,148.80

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Solution

The fourth proportional to 908,530.88, 1,253,798.53 and 506,148.80 is: 698,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,530.88 : 1,253,798.53 = 506,148.80 : x
  2. Step 2: Convert to fraction form
    908,530.88/1,253,798.53 = 506,148.80/x
  3. Step 3: Cross multiply
    908,530.88x = 1,253,798.53 × 506,148.80
  4. Step 4: Simplify right side
    908,530.88x = 634,608,613,866.90
  5. Step 5: Solve for x
    x = 634,608,613,866.90/908,530.88
  6. Step 6: Final answer
    x = 698,499.78

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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.