Home / 759,454.32-1,139,354.28-404,281.20

Finding the Fourth Proportional to 759,454.32, 1,139,354.28 and 404,281.20

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Solution

The fourth proportional to 759,454.32, 1,139,354.28 and 404,281.20 is: 606,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,454.32 : 1,139,354.28 = 404,281.20 : x
  2. Step 2: Convert to fraction form
    759,454.32/1,139,354.28 = 404,281.20/x
  3. Step 3: Cross multiply
    759,454.32x = 1,139,354.28 × 404,281.20
  4. Step 4: Simplify right side
    759,454.32x = 460,619,515,543.54
  5. Step 5: Solve for x
    x = 460,619,515,543.54/759,454.32
  6. Step 6: Final answer
    x = 606,513.79

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Double scale
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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.