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Finding the Fourth Proportional to 586,223.14, 879,440.02 and 207,363.46

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Solution

The fourth proportional to 586,223.14, 879,440.02 and 207,363.46 is: 311,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,223.14 : 879,440.02 = 207,363.46 : x
  2. Step 2: Convert to fraction form
    586,223.14/879,440.02 = 207,363.46/x
  3. Step 3: Cross multiply
    586,223.14x = 879,440.02 × 207,363.46
  4. Step 4: Simplify right side
    586,223.14x = 182,363,725,409.67
  5. Step 5: Solve for x
    x = 182,363,725,409.67/586,223.14
  6. Step 6: Final answer
    x = 311,082.44

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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.