Home / 718,145.20-1,076,310.60-363,257.20

Finding the Fourth Proportional to 718,145.20, 1,076,310.60 and 363,257.20

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Solution

The fourth proportional to 718,145.20, 1,076,310.60 and 363,257.20 is: 544,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,145.20 : 1,076,310.60 = 363,257.20 : x
  2. Step 2: Convert to fraction form
    718,145.20/1,076,310.60 = 363,257.20/x
  3. Step 3: Cross multiply
    718,145.20x = 1,076,310.60 × 363,257.20
  4. Step 4: Simplify right side
    718,145.20x = 390,977,574,886.32
  5. Step 5: Solve for x
    x = 390,977,574,886.32/718,145.20
  6. Step 6: Final answer
    x = 544,426.91

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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.