Home / 766,639.68-1,144,569.12-585,778.56

Finding the Fourth Proportional to 766,639.68, 1,144,569.12 and 585,778.56

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Solution

The fourth proportional to 766,639.68, 1,144,569.12 and 585,778.56 is: 874,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,639.68 : 1,144,569.12 = 585,778.56 : x
  2. Step 2: Convert to fraction form
    766,639.68/1,144,569.12 = 585,778.56/x
  3. Step 3: Cross multiply
    766,639.68x = 1,144,569.12 × 585,778.56
  4. Step 4: Simplify right side
    766,639.68x = 670,464,050,934.07
  5. Step 5: Solve for x
    x = 670,464,050,934.07/766,639.68
  6. Step 6: Final answer
    x = 874,549.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.