Home / 971,787.28-1,341,068.48-542,056.32

Finding the Fourth Proportional to 971,787.28, 1,341,068.48 and 542,056.32

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Solution

The fourth proportional to 971,787.28, 1,341,068.48 and 542,056.32 is: 748,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,787.28 : 1,341,068.48 = 542,056.32 : x
  2. Step 2: Convert to fraction form
    971,787.28/1,341,068.48 = 542,056.32/x
  3. Step 3: Cross multiply
    971,787.28x = 1,341,068.48 × 542,056.32
  4. Step 4: Simplify right side
    971,787.28x = 726,934,645,136.79
  5. Step 5: Solve for x
    x = 726,934,645,136.79/971,787.28
  6. Step 6: Final answer
    x = 748,038.86

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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.