Home / 849,893.81-1,172,860.50-462,711.87

Finding the Fourth Proportional to 849,893.81, 1,172,860.50 and 462,711.87

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Solution

The fourth proportional to 849,893.81, 1,172,860.50 and 462,711.87 is: 638,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,893.81 : 1,172,860.50 = 462,711.87 : x
  2. Step 2: Convert to fraction form
    849,893.81/1,172,860.50 = 462,711.87/x
  3. Step 3: Cross multiply
    849,893.81x = 1,172,860.50 × 462,711.87
  4. Step 4: Simplify right side
    849,893.81x = 542,696,475,204.14
  5. Step 5: Solve for x
    x = 542,696,475,204.14/849,893.81
  6. Step 6: Final answer
    x = 638,546.22

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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.