Home / 840,303.70-1,159,717.14-477,781.88

Finding the Fourth Proportional to 840,303.70, 1,159,717.14 and 477,781.88

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Solution

The fourth proportional to 840,303.70, 1,159,717.14 and 477,781.88 is: 659,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,303.70 : 1,159,717.14 = 477,781.88 : x
  2. Step 2: Convert to fraction form
    840,303.70/1,159,717.14 = 477,781.88/x
  3. Step 3: Cross multiply
    840,303.70x = 1,159,717.14 × 477,781.88
  4. Step 4: Simplify right side
    840,303.70x = 554,091,829,618.84
  5. Step 5: Solve for x
    x = 554,091,829,618.84/840,303.70
  6. Step 6: Final answer
    x = 659,394.73

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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.