Home / 578,737.28-869,439.90-554,822.84

Finding the Fourth Proportional to 578,737.28, 869,439.90 and 554,822.84

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Solution

The fourth proportional to 578,737.28, 869,439.90 and 554,822.84 is: 833,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,737.28 : 869,439.90 = 554,822.84 : x
  2. Step 2: Convert to fraction form
    578,737.28/869,439.90 = 554,822.84/x
  3. Step 3: Cross multiply
    578,737.28x = 869,439.90 × 554,822.84
  4. Step 4: Simplify right side
    578,737.28x = 482,385,114,527.32
  5. Step 5: Solve for x
    x = 482,385,114,527.32/578,737.28
  6. Step 6: Final answer
    x = 833,513.12

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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.