Home / 890,270.87-1,228,574.28-482,373.04

Finding the Fourth Proportional to 890,270.87, 1,228,574.28 and 482,373.04

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Solution

The fourth proportional to 890,270.87, 1,228,574.28 and 482,373.04 is: 665,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,270.87 : 1,228,574.28 = 482,373.04 : x
  2. Step 2: Convert to fraction form
    890,270.87/1,228,574.28 = 482,373.04/x
  3. Step 3: Cross multiply
    890,270.87x = 1,228,574.28 × 482,373.04
  4. Step 4: Simplify right side
    890,270.87x = 592,631,108,637.10
  5. Step 5: Solve for x
    x = 592,631,108,637.10/890,270.87
  6. Step 6: Final answer
    x = 665,675.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.