Home / 748,069.74-1,121,779.98-411,009.30

Finding the Fourth Proportional to 748,069.74, 1,121,779.98 and 411,009.30

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Solution

The fourth proportional to 748,069.74, 1,121,779.98 and 411,009.30 is: 616,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,069.74 : 1,121,779.98 = 411,009.30 : x
  2. Step 2: Convert to fraction form
    748,069.74/1,121,779.98 = 411,009.30/x
  3. Step 3: Cross multiply
    748,069.74x = 1,121,779.98 × 411,009.30
  4. Step 4: Simplify right side
    748,069.74x = 461,062,004,333.81
  5. Step 5: Solve for x
    x = 461,062,004,333.81/748,069.74
  6. Step 6: Final answer
    x = 616,335.59

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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.