Home / 885,007.46-1,220,868.16-558,724.83

Finding the Fourth Proportional to 885,007.46, 1,220,868.16 and 558,724.83

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Solution

The fourth proportional to 885,007.46, 1,220,868.16 and 558,724.83 is: 770,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,007.46 : 1,220,868.16 = 558,724.83 : x
  2. Step 2: Convert to fraction form
    885,007.46/1,220,868.16 = 558,724.83/x
  3. Step 3: Cross multiply
    885,007.46x = 1,220,868.16 × 558,724.83
  4. Step 4: Simplify right side
    885,007.46x = 682,129,349,044.07
  5. Step 5: Solve for x
    x = 682,129,349,044.07/885,007.46
  6. Step 6: Final answer
    x = 770,761.13

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1.5x scale

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.