Home / 913,233.95-1,260,264.36-505,352.96

Finding the Fourth Proportional to 913,233.95, 1,260,264.36 and 505,352.96

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Solution

The fourth proportional to 913,233.95, 1,260,264.36 and 505,352.96 is: 697,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,233.95 : 1,260,264.36 = 505,352.96 : x
  2. Step 2: Convert to fraction form
    913,233.95/1,260,264.36 = 505,352.96/x
  3. Step 3: Cross multiply
    913,233.95x = 1,260,264.36 × 505,352.96
  4. Step 4: Simplify right side
    913,233.95x = 636,878,318,407.18
  5. Step 5: Solve for x
    x = 636,878,318,407.18/913,233.95
  6. Step 6: Final answer
    x = 697,387.92

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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.