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Finding the Fourth Proportional to 696,064.89, 960,484.05 and 424,034.10

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Solution

The fourth proportional to 696,064.89, 960,484.05 and 424,034.10 is: 585,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,064.89 : 960,484.05 = 424,034.10 : x
  2. Step 2: Convert to fraction form
    696,064.89/960,484.05 = 424,034.10/x
  3. Step 3: Cross multiply
    696,064.89x = 960,484.05 × 424,034.10
  4. Step 4: Simplify right side
    696,064.89x = 407,277,989,706.11
  5. Step 5: Solve for x
    x = 407,277,989,706.11/696,064.89
  6. Step 6: Final answer
    x = 585,114.97

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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.