Home / 876,877.60-1,315,316.40-245,898.40

Finding the Fourth Proportional to 876,877.60, 1,315,316.40 and 245,898.40

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Solution

The fourth proportional to 876,877.60, 1,315,316.40 and 245,898.40 is: 368,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,877.60 : 1,315,316.40 = 245,898.40 : x
  2. Step 2: Convert to fraction form
    876,877.60/1,315,316.40 = 245,898.40/x
  3. Step 3: Cross multiply
    876,877.60x = 1,315,316.40 × 245,898.40
  4. Step 4: Simplify right side
    876,877.60x = 323,434,198,253.76
  5. Step 5: Solve for x
    x = 323,434,198,253.76/876,877.60
  6. Step 6: Final answer
    x = 368,847.60

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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.