Home / 822,657.65-1,234,013.81-282,908.61

Finding the Fourth Proportional to 822,657.65, 1,234,013.81 and 282,908.61

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Solution

The fourth proportional to 822,657.65, 1,234,013.81 and 282,908.61 is: 424,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,657.65 : 1,234,013.81 = 282,908.61 : x
  2. Step 2: Convert to fraction form
    822,657.65/1,234,013.81 = 282,908.61/x
  3. Step 3: Cross multiply
    822,657.65x = 1,234,013.81 × 282,908.61
  4. Step 4: Simplify right side
    822,657.65x = 349,113,130,293.36
  5. Step 5: Solve for x
    x = 349,113,130,293.36/822,657.65
  6. Step 6: Final answer
    x = 424,372.32

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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.