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Finding the Fourth Proportional to 712,298.88, 983,639.52 and 458,092.80

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Solution

The fourth proportional to 712,298.88, 983,639.52 and 458,092.80 is: 632,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,298.88 : 983,639.52 = 458,092.80 : x
  2. Step 2: Convert to fraction form
    712,298.88/983,639.52 = 458,092.80/x
  3. Step 3: Cross multiply
    712,298.88x = 983,639.52 × 458,092.80
  4. Step 4: Simplify right side
    712,298.88x = 450,598,181,907.46
  5. Step 5: Solve for x
    x = 450,598,181,907.46/712,298.88
  6. Step 6: Final answer
    x = 632,597.07

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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.