Home / 758,909.62-1,047,294.93-419,374.90

Finding the Fourth Proportional to 758,909.62, 1,047,294.93 and 419,374.90

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Solution

The fourth proportional to 758,909.62, 1,047,294.93 and 419,374.90 is: 578,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,909.62 : 1,047,294.93 = 419,374.90 : x
  2. Step 2: Convert to fraction form
    758,909.62/1,047,294.93 = 419,374.90/x
  3. Step 3: Cross multiply
    758,909.62x = 1,047,294.93 × 419,374.90
  4. Step 4: Simplify right side
    758,909.62x = 439,209,206,539.26
  5. Step 5: Solve for x
    x = 439,209,206,539.26/758,909.62
  6. Step 6: Final answer
    x = 578,737.17

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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.