Home / 875,692.16-1,313,551.20-578,078.72

Finding the Fourth Proportional to 875,692.16, 1,313,551.20 and 578,078.72

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Solution

The fourth proportional to 875,692.16, 1,313,551.20 and 578,078.72 is: 867,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,692.16 : 1,313,551.20 = 578,078.72 : x
  2. Step 2: Convert to fraction form
    875,692.16/1,313,551.20 = 578,078.72/x
  3. Step 3: Cross multiply
    875,692.16x = 1,313,551.20 × 578,078.72
  4. Step 4: Simplify right side
    875,692.16x = 759,335,996,350.46
  5. Step 5: Solve for x
    x = 759,335,996,350.46/875,692.16
  6. Step 6: Final answer
    x = 867,126.64

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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.