Home / 687,624.40-1,032,214.20-530,549.20

Finding the Fourth Proportional to 687,624.40, 1,032,214.20 and 530,549.20

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Solution

The fourth proportional to 687,624.40, 1,032,214.20 and 530,549.20 is: 796,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,624.40 : 1,032,214.20 = 530,549.20 : x
  2. Step 2: Convert to fraction form
    687,624.40/1,032,214.20 = 530,549.20/x
  3. Step 3: Cross multiply
    687,624.40x = 1,032,214.20 × 530,549.20
  4. Step 4: Simplify right side
    687,624.40x = 547,640,418,038.64
  5. Step 5: Solve for x
    x = 547,640,418,038.64/687,624.40
  6. Step 6: Final answer
    x = 796,423.77

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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.