Home / 849,682.56-1,172,592.88-462,479.28

Finding the Fourth Proportional to 849,682.56, 1,172,592.88 and 462,479.28

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Solution

The fourth proportional to 849,682.56, 1,172,592.88 and 462,479.28 is: 638,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,682.56 : 1,172,592.88 = 462,479.28 : x
  2. Step 2: Convert to fraction form
    849,682.56/1,172,592.88 = 462,479.28/x
  3. Step 3: Cross multiply
    849,682.56x = 1,172,592.88 × 462,479.28
  4. Step 4: Simplify right side
    849,682.56x = 542,299,910,875.53
  5. Step 5: Solve for x
    x = 542,299,910,875.53/849,682.56
  6. Step 6: Final answer
    x = 638,238.25

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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.