Home / 970,318.56-1,339,030.80-540,590.88

Finding the Fourth Proportional to 970,318.56, 1,339,030.80 and 540,590.88

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Solution

The fourth proportional to 970,318.56, 1,339,030.80 and 540,590.88 is: 746,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,318.56 : 1,339,030.80 = 540,590.88 : x
  2. Step 2: Convert to fraction form
    970,318.56/1,339,030.80 = 540,590.88/x
  3. Step 3: Cross multiply
    970,318.56x = 1,339,030.80 × 540,590.88
  4. Step 4: Simplify right side
    970,318.56x = 723,867,838,519.10
  5. Step 5: Solve for x
    x = 723,867,838,519.10/970,318.56
  6. Step 6: Final answer
    x = 746,010.50

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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.