Home / 984,646.52-1,358,291.45-678,195.84

Finding the Fourth Proportional to 984,646.52, 1,358,291.45 and 678,195.84

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Solution

The fourth proportional to 984,646.52, 1,358,291.45 and 678,195.84 is: 935,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,646.52 : 1,358,291.45 = 678,195.84 : x
  2. Step 2: Convert to fraction form
    984,646.52/1,358,291.45 = 678,195.84/x
  3. Step 3: Cross multiply
    984,646.52x = 1,358,291.45 × 678,195.84
  4. Step 4: Simplify right side
    984,646.52x = 921,187,607,506.59
  5. Step 5: Solve for x
    x = 921,187,607,506.59/984,646.52
  6. Step 6: Final answer
    x = 935,551.58

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Double scale
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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.