Home / 742,188.06-1,024,315.96-415,625.40

Finding the Fourth Proportional to 742,188.06, 1,024,315.96 and 415,625.40

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Solution

The fourth proportional to 742,188.06, 1,024,315.96 and 415,625.40 is: 573,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,188.06 : 1,024,315.96 = 415,625.40 : x
  2. Step 2: Convert to fraction form
    742,188.06/1,024,315.96 = 415,625.40/x
  3. Step 3: Cross multiply
    742,188.06x = 1,024,315.96 × 415,625.40
  4. Step 4: Simplify right side
    742,188.06x = 425,731,730,601.38
  5. Step 5: Solve for x
    x = 425,731,730,601.38/742,188.06
  6. Step 6: Final answer
    x = 573,617.06

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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.