Home / 835,432.38-1,152,800.64-467,858.16

Finding the Fourth Proportional to 835,432.38, 1,152,800.64 and 467,858.16

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Solution

The fourth proportional to 835,432.38, 1,152,800.64 and 467,858.16 is: 645,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,432.38 : 1,152,800.64 = 467,858.16 : x
  2. Step 2: Convert to fraction form
    835,432.38/1,152,800.64 = 467,858.16/x
  3. Step 3: Cross multiply
    835,432.38x = 1,152,800.64 × 467,858.16
  4. Step 4: Simplify right side
    835,432.38x = 539,347,186,277.22
  5. Step 5: Solve for x
    x = 539,347,186,277.22/835,432.38
  6. Step 6: Final answer
    x = 645,590.47

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Half scale
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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.