Home / 767,345.32-1,151,350.14-411,944.68

Finding the Fourth Proportional to 767,345.32, 1,151,350.14 and 411,944.68

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Solution

The fourth proportional to 767,345.32, 1,151,350.14 and 411,944.68 is: 618,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,345.32 : 1,151,350.14 = 411,944.68 : x
  2. Step 2: Convert to fraction form
    767,345.32/1,151,350.14 = 411,944.68/x
  3. Step 3: Cross multiply
    767,345.32x = 1,151,350.14 × 411,944.68
  4. Step 4: Simplify right side
    767,345.32x = 474,292,564,990.26
  5. Step 5: Solve for x
    x = 474,292,564,990.26/767,345.32
  6. Step 6: Final answer
    x = 618,095.34

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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.