Home / 970,046.77-1,338,705.85-540,327.09

Finding the Fourth Proportional to 970,046.77, 1,338,705.85 and 540,327.09

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Solution

The fourth proportional to 970,046.77, 1,338,705.85 and 540,327.09 is: 745,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,046.77 : 1,338,705.85 = 540,327.09 : x
  2. Step 2: Convert to fraction form
    970,046.77/1,338,705.85 = 540,327.09/x
  3. Step 3: Cross multiply
    970,046.77x = 1,338,705.85 × 540,327.09
  4. Step 4: Simplify right side
    970,046.77x = 723,339,036,296.48
  5. Step 5: Solve for x
    x = 723,339,036,296.48/970,046.77
  6. Step 6: Final answer
    x = 745,674.39

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Double scale
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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.