Home / 740,779.40-1,109,856.90-627,930.20

Finding the Fourth Proportional to 740,779.40, 1,109,856.90 and 627,930.20

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Solution

The fourth proportional to 740,779.40, 1,109,856.90 and 627,930.20 is: 940,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,779.40 : 1,109,856.90 = 627,930.20 : x
  2. Step 2: Convert to fraction form
    740,779.40/1,109,856.90 = 627,930.20/x
  3. Step 3: Cross multiply
    740,779.40x = 1,109,856.90 × 627,930.20
  4. Step 4: Simplify right side
    740,779.40x = 696,912,665,188.38
  5. Step 5: Solve for x
    x = 696,912,665,188.38/740,779.40
  6. Step 6: Final answer
    x = 940,783.00

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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.