Home / 878,047.24-1,211,705.22-475,639.24

Finding the Fourth Proportional to 878,047.24, 1,211,705.22 and 475,639.24

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Solution

The fourth proportional to 878,047.24, 1,211,705.22 and 475,639.24 is: 656,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,047.24 : 1,211,705.22 = 475,639.24 : x
  2. Step 2: Convert to fraction form
    878,047.24/1,211,705.22 = 475,639.24/x
  3. Step 3: Cross multiply
    878,047.24x = 1,211,705.22 × 475,639.24
  4. Step 4: Simplify right side
    878,047.24x = 576,334,549,944.83
  5. Step 5: Solve for x
    x = 576,334,549,944.83/878,047.24
  6. Step 6: Final answer
    x = 656,382.17

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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.