Home / 807,547.40-1,211,321.10-746,721.80

Finding the Fourth Proportional to 807,547.40, 1,211,321.10 and 746,721.80

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Solution

The fourth proportional to 807,547.40, 1,211,321.10 and 746,721.80 is: 1,120,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,547.40 : 1,211,321.10 = 746,721.80 : x
  2. Step 2: Convert to fraction form
    807,547.40/1,211,321.10 = 746,721.80/x
  3. Step 3: Cross multiply
    807,547.40x = 1,211,321.10 × 746,721.80
  4. Step 4: Simplify right side
    807,547.40x = 904,519,872,169.98
  5. Step 5: Solve for x
    x = 904,519,872,169.98/807,547.40
  6. Step 6: Final answer
    x = 1,120,082.70

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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.