Home / 988,337.40-1,482,068.70-455,584.20

Finding the Fourth Proportional to 988,337.40, 1,482,068.70 and 455,584.20

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Solution

The fourth proportional to 988,337.40, 1,482,068.70 and 455,584.20 is: 683,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,337.40 : 1,482,068.70 = 455,584.20 : x
  2. Step 2: Convert to fraction form
    988,337.40/1,482,068.70 = 455,584.20/x
  3. Step 3: Cross multiply
    988,337.40x = 1,482,068.70 × 455,584.20
  4. Step 4: Simplify right side
    988,337.40x = 675,207,083,034.54
  5. Step 5: Solve for x
    x = 675,207,083,034.54/988,337.40
  6. Step 6: Final answer
    x = 683,174.68

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1.5x scale

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.