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Finding the Fourth Proportional to 660,780.18, 995,612.31 and 597,670.65

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Solution

The fourth proportional to 660,780.18, 995,612.31 and 597,670.65 is: 900,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,780.18 : 995,612.31 = 597,670.65 : x
  2. Step 2: Convert to fraction form
    660,780.18/995,612.31 = 597,670.65/x
  3. Step 3: Cross multiply
    660,780.18x = 995,612.31 × 597,670.65
  4. Step 4: Simplify right side
    660,780.18x = 595,048,256,465.70
  5. Step 5: Solve for x
    x = 595,048,256,465.70/660,780.18
  6. Step 6: Final answer
    x = 900,523.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.