Home / 970,502.08-1,339,279.32-540,800.32

Finding the Fourth Proportional to 970,502.08, 1,339,279.32 and 540,800.32

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Solution

The fourth proportional to 970,502.08, 1,339,279.32 and 540,800.32 is: 746,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,502.08 : 1,339,279.32 = 540,800.32 : x
  2. Step 2: Convert to fraction form
    970,502.08/1,339,279.32 = 540,800.32/x
  3. Step 3: Cross multiply
    970,502.08x = 1,339,279.32 × 540,800.32
  4. Step 4: Simplify right side
    970,502.08x = 724,282,684,825.38
  5. Step 5: Solve for x
    x = 724,282,684,825.38/970,502.08
  6. Step 6: Final answer
    x = 746,296.89

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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.