Home / 917,050.61-1,265,562.41-509,158.88

Finding the Fourth Proportional to 917,050.61, 1,265,562.41 and 509,158.88

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Solution

The fourth proportional to 917,050.61, 1,265,562.41 and 509,158.88 is: 702,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,050.61 : 1,265,562.41 = 509,158.88 : x
  2. Step 2: Convert to fraction form
    917,050.61/1,265,562.41 = 509,158.88/x
  3. Step 3: Cross multiply
    917,050.61x = 1,265,562.41 × 509,158.88
  4. Step 4: Simplify right side
    917,050.61x = 644,372,330,372.09
  5. Step 5: Solve for x
    x = 644,372,330,372.09/917,050.61
  6. Step 6: Final answer
    x = 702,657.33

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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.