Home / 879,856.70-1,315,848.45-738,139.10

Finding the Fourth Proportional to 879,856.70, 1,315,848.45 and 738,139.10

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Solution

The fourth proportional to 879,856.70, 1,315,848.45 and 738,139.10 is: 1,103,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,856.70 : 1,315,848.45 = 738,139.10 : x
  2. Step 2: Convert to fraction form
    879,856.70/1,315,848.45 = 738,139.10/x
  3. Step 3: Cross multiply
    879,856.70x = 1,315,848.45 × 738,139.10
  4. Step 4: Simplify right side
    879,856.70x = 971,279,190,619.40
  5. Step 5: Solve for x
    x = 971,279,190,619.40/879,856.70
  6. Step 6: Final answer
    x = 1,103,906.11

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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.