Home / 555,631.68-766,733.84-313,924.40

Finding the Fourth Proportional to 555,631.68, 766,733.84 and 313,924.40

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Solution

The fourth proportional to 555,631.68, 766,733.84 and 313,924.40 is: 433,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,631.68 : 766,733.84 = 313,924.40 : x
  2. Step 2: Convert to fraction form
    555,631.68/766,733.84 = 313,924.40/x
  3. Step 3: Cross multiply
    555,631.68x = 766,733.84 × 313,924.40
  4. Step 4: Simplify right side
    555,631.68x = 240,696,460,681.70
  5. Step 5: Solve for x
    x = 240,696,460,681.70/555,631.68
  6. Step 6: Final answer
    x = 433,194.27

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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.