Home / 748,551.38-1,120,814.99-570,208.82

Finding the Fourth Proportional to 748,551.38, 1,120,814.99 and 570,208.82

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Solution

The fourth proportional to 748,551.38, 1,120,814.99 and 570,208.82 is: 853,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,551.38 : 1,120,814.99 = 570,208.82 : x
  2. Step 2: Convert to fraction form
    748,551.38/1,120,814.99 = 570,208.82/x
  3. Step 3: Cross multiply
    748,551.38x = 1,120,814.99 × 570,208.82
  4. Step 4: Simplify right side
    748,551.38x = 639,098,592,886.21
  5. Step 5: Solve for x
    x = 639,098,592,886.21/748,551.38
  6. Step 6: Final answer
    x = 853,780.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.