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Finding the Fourth Proportional to 663,552.64, 915,703.08 and 361,746.64

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Solution

The fourth proportional to 663,552.64, 915,703.08 and 361,746.64 is: 499,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552.64 : 915,703.08 = 361,746.64 : x
  2. Step 2: Convert to fraction form
    663,552.64/915,703.08 = 361,746.64/x
  3. Step 3: Cross multiply
    663,552.64x = 915,703.08 × 361,746.64
  4. Step 4: Simplify right side
    663,552.64x = 331,252,512,427.65
  5. Step 5: Solve for x
    x = 331,252,512,427.65/663,552.64
  6. Step 6: Final answer
    x = 499,210.60

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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.