Home / 993,612.40-1,490,418.60-362,444.20

Finding the Fourth Proportional to 993,612.40, 1,490,418.60 and 362,444.20

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Solution

The fourth proportional to 993,612.40, 1,490,418.60 and 362,444.20 is: 543,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,612.40 : 1,490,418.60 = 362,444.20 : x
  2. Step 2: Convert to fraction form
    993,612.40/1,490,418.60 = 362,444.20/x
  3. Step 3: Cross multiply
    993,612.40x = 1,490,418.60 × 362,444.20
  4. Step 4: Simplify right side
    993,612.40x = 540,193,577,142.12
  5. Step 5: Solve for x
    x = 540,193,577,142.12/993,612.40
  6. Step 6: Final answer
    x = 543,666.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.