Home / 876,270.80-1,314,017.40-402,712.40

Finding the Fourth Proportional to 876,270.80, 1,314,017.40 and 402,712.40

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Solution

The fourth proportional to 876,270.80, 1,314,017.40 and 402,712.40 is: 603,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,270.80 : 1,314,017.40 = 402,712.40 : x
  2. Step 2: Convert to fraction form
    876,270.80/1,314,017.40 = 402,712.40/x
  3. Step 3: Cross multiply
    876,270.80x = 1,314,017.40 × 402,712.40
  4. Step 4: Simplify right side
    876,270.80x = 529,171,100,795.76
  5. Step 5: Solve for x
    x = 529,171,100,795.76/876,270.80
  6. Step 6: Final answer
    x = 603,889.92

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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.