Home / 761,609.76-1,051,032.98-417,442.92

Finding the Fourth Proportional to 761,609.76, 1,051,032.98 and 417,442.92

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Solution

The fourth proportional to 761,609.76, 1,051,032.98 and 417,442.92 is: 576,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,609.76 : 1,051,032.98 = 417,442.92 : x
  2. Step 2: Convert to fraction form
    761,609.76/1,051,032.98 = 417,442.92/x
  3. Step 3: Cross multiply
    761,609.76x = 1,051,032.98 × 417,442.92
  4. Step 4: Simplify right side
    761,609.76x = 438,746,276,187.50
  5. Step 5: Solve for x
    x = 438,746,276,187.50/761,609.76
  6. Step 6: Final answer
    x = 576,077.54

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Double scale
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Similar ratio
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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.