Home / 822,655.40-1,234,010.43-282,906.36

Finding the Fourth Proportional to 822,655.40, 1,234,010.43 and 282,906.36

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Solution

The fourth proportional to 822,655.40, 1,234,010.43 and 282,906.36 is: 424,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,655.40 : 1,234,010.43 = 282,906.36 : x
  2. Step 2: Convert to fraction form
    822,655.40/1,234,010.43 = 282,906.36/x
  3. Step 3: Cross multiply
    822,655.40x = 1,234,010.43 × 282,906.36
  4. Step 4: Simplify right side
    822,655.40x = 349,109,398,953.34
  5. Step 5: Solve for x
    x = 349,109,398,953.34/822,655.40
  6. Step 6: Final answer
    x = 424,368.94

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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.