Home / 723,946.50-999,072.88-437,411.22

Finding the Fourth Proportional to 723,946.50, 999,072.88 and 437,411.22

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Solution

The fourth proportional to 723,946.50, 999,072.88 and 437,411.22 is: 603,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,946.50 : 999,072.88 = 437,411.22 : x
  2. Step 2: Convert to fraction form
    723,946.50/999,072.88 = 437,411.22/x
  3. Step 3: Cross multiply
    723,946.50x = 999,072.88 × 437,411.22
  4. Step 4: Simplify right side
    723,946.50x = 437,005,687,309.71
  5. Step 5: Solve for x
    x = 437,005,687,309.71/723,946.50
  6. Step 6: Final answer
    x = 603,643.62

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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.