Home / 906,000.45-1,359,164.70-455,587.80

Finding the Fourth Proportional to 906,000.45, 1,359,164.70 and 455,587.80

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Solution

The fourth proportional to 906,000.45, 1,359,164.70 and 455,587.80 is: 683,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,000.45 : 1,359,164.70 = 455,587.80 : x
  2. Step 2: Convert to fraction form
    906,000.45/1,359,164.70 = 455,587.80/x
  3. Step 3: Cross multiply
    906,000.45x = 1,359,164.70 × 455,587.80
  4. Step 4: Simplify right side
    906,000.45x = 619,218,855,510.66
  5. Step 5: Solve for x
    x = 619,218,855,510.66/906,000.45
  6. Step 6: Final answer
    x = 683,464.18

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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.