Home / 878,045.60-1,211,700.32-496,072.24

Finding the Fourth Proportional to 878,045.60, 1,211,700.32 and 496,072.24

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Solution

The fourth proportional to 878,045.60, 1,211,700.32 and 496,072.24 is: 684,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,045.60 : 1,211,700.32 = 496,072.24 : x
  2. Step 2: Convert to fraction form
    878,045.60/1,211,700.32 = 496,072.24/x
  3. Step 3: Cross multiply
    878,045.60x = 1,211,700.32 × 496,072.24
  4. Step 4: Simplify right side
    878,045.60x = 601,090,891,951.12
  5. Step 5: Solve for x
    x = 601,090,891,951.12/878,045.60
  6. Step 6: Final answer
    x = 684,578.22

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Double scale
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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.