Home / 744,344.10-1,116,844.20-344,779.20

Finding the Fourth Proportional to 744,344.10, 1,116,844.20 and 344,779.20

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Solution

The fourth proportional to 744,344.10, 1,116,844.20 and 344,779.20 is: 517,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,344.10 : 1,116,844.20 = 344,779.20 : x
  2. Step 2: Convert to fraction form
    744,344.10/1,116,844.20 = 344,779.20/x
  3. Step 3: Cross multiply
    744,344.10x = 1,116,844.20 × 344,779.20
  4. Step 4: Simplify right side
    744,344.10x = 385,064,649,800.64
  5. Step 5: Solve for x
    x = 385,064,649,800.64/744,344.10
  6. Step 6: Final answer
    x = 517,320.75

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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.