Home / 994,547.80-1,491,821.70-329,699.80

Finding the Fourth Proportional to 994,547.80, 1,491,821.70 and 329,699.80

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Solution

The fourth proportional to 994,547.80, 1,491,821.70 and 329,699.80 is: 494,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,547.80 : 1,491,821.70 = 329,699.80 : x
  2. Step 2: Convert to fraction form
    994,547.80/1,491,821.70 = 329,699.80/x
  3. Step 3: Cross multiply
    994,547.80x = 1,491,821.70 × 329,699.80
  4. Step 4: Simplify right side
    994,547.80x = 491,853,316,125.66
  5. Step 5: Solve for x
    x = 491,853,316,125.66/994,547.80
  6. Step 6: Final answer
    x = 494,549.70

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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.