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Finding the Fourth Proportional to 615,309.78, 921,636.06 and 600,252.30

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Solution

The fourth proportional to 615,309.78, 921,636.06 and 600,252.30 is: 899,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,309.78 : 921,636.06 = 600,252.30 : x
  2. Step 2: Convert to fraction form
    615,309.78/921,636.06 = 600,252.30/x
  3. Step 3: Cross multiply
    615,309.78x = 921,636.06 × 600,252.30
  4. Step 4: Simplify right side
    615,309.78x = 553,214,164,777.94
  5. Step 5: Solve for x
    x = 553,214,164,777.94/615,309.78
  6. Step 6: Final answer
    x = 899,082.35

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1.5x scale

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.