Home / 971,680.52-1,457,695.78-465,812.84

Finding the Fourth Proportional to 971,680.52, 1,457,695.78 and 465,812.84

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Solution

The fourth proportional to 971,680.52, 1,457,695.78 and 465,812.84 is: 698,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,680.52 : 1,457,695.78 = 465,812.84 : x
  2. Step 2: Convert to fraction form
    971,680.52/1,457,695.78 = 465,812.84/x
  3. Step 3: Cross multiply
    971,680.52x = 1,457,695.78 × 465,812.84
  4. Step 4: Simplify right side
    971,680.52x = 679,013,411,137.82
  5. Step 5: Solve for x
    x = 679,013,411,137.82/971,680.52
  6. Step 6: Final answer
    x = 698,803.15

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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.