Home / 849,270.81-1,172,001.92-467,305.80

Finding the Fourth Proportional to 849,270.81, 1,172,001.92 and 467,305.80

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Solution

The fourth proportional to 849,270.81, 1,172,001.92 and 467,305.80 is: 644,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,270.81 : 1,172,001.92 = 467,305.80 : x
  2. Step 2: Convert to fraction form
    849,270.81/1,172,001.92 = 467,305.80/x
  3. Step 3: Cross multiply
    849,270.81x = 1,172,001.92 × 467,305.80
  4. Step 4: Simplify right side
    849,270.81x = 547,683,294,827.14
  5. Step 5: Solve for x
    x = 547,683,294,827.14/849,270.81
  6. Step 6: Final answer
    x = 644,886.52

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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.