Home / 811,057.76-1,119,248.02-448,473.64

Finding the Fourth Proportional to 811,057.76, 1,119,248.02 and 448,473.64

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Solution

The fourth proportional to 811,057.76, 1,119,248.02 and 448,473.64 is: 618,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,057.76 : 1,119,248.02 = 448,473.64 : x
  2. Step 2: Convert to fraction form
    811,057.76/1,119,248.02 = 448,473.64/x
  3. Step 3: Cross multiply
    811,057.76x = 1,119,248.02 × 448,473.64
  4. Step 4: Simplify right side
    811,057.76x = 501,953,233,592.19
  5. Step 5: Solve for x
    x = 501,953,233,592.19/811,057.76
  6. Step 6: Final answer
    x = 618,887.16

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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.