Home / 803,463.51-1,109,299.05-497,864.19

Finding the Fourth Proportional to 803,463.51, 1,109,299.05 and 497,864.19

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Solution

The fourth proportional to 803,463.51, 1,109,299.05 and 497,864.19 is: 687,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,463.51 : 1,109,299.05 = 497,864.19 : x
  2. Step 2: Convert to fraction form
    803,463.51/1,109,299.05 = 497,864.19/x
  3. Step 3: Cross multiply
    803,463.51x = 1,109,299.05 × 497,864.19
  4. Step 4: Simplify right side
    803,463.51x = 552,280,272,996.02
  5. Step 5: Solve for x
    x = 552,280,272,996.02/803,463.51
  6. Step 6: Final answer
    x = 687,374.43

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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.