Home / 850,395.28-1,173,545.54-468,422.06

Finding the Fourth Proportional to 850,395.28, 1,173,545.54 and 468,422.06

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Solution

The fourth proportional to 850,395.28, 1,173,545.54 and 468,422.06 is: 646,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,395.28 : 1,173,545.54 = 468,422.06 : x
  2. Step 2: Convert to fraction form
    850,395.28/1,173,545.54 = 468,422.06/x
  3. Step 3: Cross multiply
    850,395.28x = 1,173,545.54 × 468,422.06
  4. Step 4: Simplify right side
    850,395.28x = 549,714,619,350.61
  5. Step 5: Solve for x
    x = 549,714,619,350.61/850,395.28
  6. Step 6: Final answer
    x = 646,422.47

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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.