Home / 849,301.81-1,172,001.36-462,118.83

Finding the Fourth Proportional to 849,301.81, 1,172,001.36 and 462,118.83

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Solution

The fourth proportional to 849,301.81, 1,172,001.36 and 462,118.83 is: 637,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,301.81 : 1,172,001.36 = 462,118.83 : x
  2. Step 2: Convert to fraction form
    849,301.81/1,172,001.36 = 462,118.83/x
  3. Step 3: Cross multiply
    849,301.81x = 1,172,001.36 × 462,118.83
  4. Step 4: Simplify right side
    849,301.81x = 541,603,897,241.61
  5. Step 5: Solve for x
    x = 541,603,897,241.61/849,301.81
  6. Step 6: Final answer
    x = 637,704.87

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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.