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Finding the Fourth Proportional to 651,269.77, 898,303.57 and 458,087.20

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Solution

The fourth proportional to 651,269.77, 898,303.57 and 458,087.20 is: 631,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,269.77 : 898,303.57 = 458,087.20 : x
  2. Step 2: Convert to fraction form
    651,269.77/898,303.57 = 458,087.20/x
  3. Step 3: Cross multiply
    651,269.77x = 898,303.57 × 458,087.20
  4. Step 4: Simplify right side
    651,269.77x = 411,501,363,740.33
  5. Step 5: Solve for x
    x = 411,501,363,740.33/651,269.77
  6. Step 6: Final answer
    x = 631,844.72

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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.