Home / 849,581.10-1,172,412.90-467,599.68

Finding the Fourth Proportional to 849,581.10, 1,172,412.90 and 467,599.68

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Solution

The fourth proportional to 849,581.10, 1,172,412.90 and 467,599.68 is: 645,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,581.10 : 1,172,412.90 = 467,599.68 : x
  2. Step 2: Convert to fraction form
    849,581.10/1,172,412.90 = 467,599.68/x
  3. Step 3: Cross multiply
    849,581.10x = 1,172,412.90 × 467,599.68
  4. Step 4: Simplify right side
    849,581.10x = 548,219,896,867.87
  5. Step 5: Solve for x
    x = 548,219,896,867.87/849,581.10
  6. Step 6: Final answer
    x = 645,282.59

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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.