Home / 916,343.84-1,373,963.52-410,813.40

Finding the Fourth Proportional to 916,343.84, 1,373,963.52 and 410,813.40

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Solution

The fourth proportional to 916,343.84, 1,373,963.52 and 410,813.40 is: 615,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,343.84 : 1,373,963.52 = 410,813.40 : x
  2. Step 2: Convert to fraction form
    916,343.84/1,373,963.52 = 410,813.40/x
  3. Step 3: Cross multiply
    916,343.84x = 1,373,963.52 × 410,813.40
  4. Step 4: Simplify right side
    916,343.84x = 564,442,625,127.17
  5. Step 5: Solve for x
    x = 564,442,625,127.17/916,343.84
  6. Step 6: Final answer
    x = 615,972.52

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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.