Home / 758,994.48-1,136,129.76-477,921.24

Finding the Fourth Proportional to 758,994.48, 1,136,129.76 and 477,921.24

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Solution

The fourth proportional to 758,994.48, 1,136,129.76 and 477,921.24 is: 715,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,994.48 : 1,136,129.76 = 477,921.24 : x
  2. Step 2: Convert to fraction form
    758,994.48/1,136,129.76 = 477,921.24/x
  3. Step 3: Cross multiply
    758,994.48x = 1,136,129.76 × 477,921.24
  4. Step 4: Simplify right side
    758,994.48x = 542,980,543,700.10
  5. Step 5: Solve for x
    x = 542,980,543,700.10/758,994.48
  6. Step 6: Final answer
    x = 715,394.59

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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.