Home / 683,247.40-1,024,871.10-631,925.80

Finding the Fourth Proportional to 683,247.40, 1,024,871.10 and 631,925.80

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Solution

The fourth proportional to 683,247.40, 1,024,871.10 and 631,925.80 is: 947,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,247.40 : 1,024,871.10 = 631,925.80 : x
  2. Step 2: Convert to fraction form
    683,247.40/1,024,871.10 = 631,925.80/x
  3. Step 3: Cross multiply
    683,247.40x = 1,024,871.10 × 631,925.80
  4. Step 4: Simplify right side
    683,247.40x = 647,642,489,764.38
  5. Step 5: Solve for x
    x = 647,642,489,764.38/683,247.40
  6. Step 6: Final answer
    x = 947,888.70

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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.