Home / 861,089.58-1,290,990.87-594,088.20

Finding the Fourth Proportional to 861,089.58, 1,290,990.87 and 594,088.20

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Solution

The fourth proportional to 861,089.58, 1,290,990.87 and 594,088.20 is: 890,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,089.58 : 1,290,990.87 = 594,088.20 : x
  2. Step 2: Convert to fraction form
    861,089.58/1,290,990.87 = 594,088.20/x
  3. Step 3: Cross multiply
    861,089.58x = 1,290,990.87 × 594,088.20
  4. Step 4: Simplify right side
    861,089.58x = 766,962,442,174.73
  5. Step 5: Solve for x
    x = 766,962,442,174.73/861,089.58
  6. Step 6: Final answer
    x = 890,688.33

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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.