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Finding the Fourth Proportional to 559,572.77, 838,701.68 and 259,421.60

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Solution

The fourth proportional to 559,572.77, 838,701.68 and 259,421.60 is: 388,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,572.77 : 838,701.68 = 259,421.60 : x
  2. Step 2: Convert to fraction form
    559,572.77/838,701.68 = 259,421.60/x
  3. Step 3: Cross multiply
    559,572.77x = 838,701.68 × 259,421.60
  4. Step 4: Simplify right side
    559,572.77x = 217,577,332,547.93
  5. Step 5: Solve for x
    x = 217,577,332,547.93/559,572.77
  6. Step 6: Final answer
    x = 388,827.59

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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.