Home / 875,709.80-1,314,002.10-496,921.40

Finding the Fourth Proportional to 875,709.80, 1,314,002.10 and 496,921.40

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Solution

The fourth proportional to 875,709.80, 1,314,002.10 and 496,921.40 is: 745,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,709.80 : 1,314,002.10 = 496,921.40 : x
  2. Step 2: Convert to fraction form
    875,709.80/1,314,002.10 = 496,921.40/x
  3. Step 3: Cross multiply
    875,709.80x = 1,314,002.10 × 496,921.40
  4. Step 4: Simplify right side
    875,709.80x = 652,955,763,134.94
  5. Step 5: Solve for x
    x = 652,955,763,134.94/875,709.80
  6. Step 6: Final answer
    x = 745,630.30

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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.