Home / 748,036.40-1,032,298.44-408,514.64

Finding the Fourth Proportional to 748,036.40, 1,032,298.44 and 408,514.64

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Solution

The fourth proportional to 748,036.40, 1,032,298.44 and 408,514.64 is: 563,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,036.40 : 1,032,298.44 = 408,514.64 : x
  2. Step 2: Convert to fraction form
    748,036.40/1,032,298.44 = 408,514.64/x
  3. Step 3: Cross multiply
    748,036.40x = 1,032,298.44 × 408,514.64
  4. Step 4: Simplify right side
    748,036.40x = 421,709,025,589.16
  5. Step 5: Solve for x
    x = 421,709,025,589.16/748,036.40
  6. Step 6: Final answer
    x = 563,754.69

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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.