Home / 761,575.27-1,051,452.45-490,115.95

Finding the Fourth Proportional to 761,575.27, 1,051,452.45 and 490,115.95

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Solution

The fourth proportional to 761,575.27, 1,051,452.45 and 490,115.95 is: 676,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,575.27 : 1,051,452.45 = 490,115.95 : x
  2. Step 2: Convert to fraction form
    761,575.27/1,051,452.45 = 490,115.95/x
  3. Step 3: Cross multiply
    761,575.27x = 1,051,452.45 × 490,115.95
  4. Step 4: Simplify right side
    761,575.27x = 515,333,611,154.32
  5. Step 5: Solve for x
    x = 515,333,611,154.32/761,575.27
  6. Step 6: Final answer
    x = 676,668.00

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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.