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Finding the Fourth Proportional to 557,597.32, 836,816.60 and 258,287.90

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Solution

The fourth proportional to 557,597.32, 836,816.60 and 258,287.90 is: 387,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,597.32 : 836,816.60 = 258,287.90 : x
  2. Step 2: Convert to fraction form
    557,597.32/836,816.60 = 258,287.90/x
  3. Step 3: Cross multiply
    557,597.32x = 836,816.60 × 258,287.90
  4. Step 4: Simplify right side
    557,597.32x = 216,139,602,299.14
  5. Step 5: Solve for x
    x = 216,139,602,299.14/557,597.32
  6. Step 6: Final answer
    x = 387,626.69

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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.