Home / 555,110.24-766,070.68-340,208.76

Finding the Fourth Proportional to 555,110.24, 766,070.68 and 340,208.76

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Solution

The fourth proportional to 555,110.24, 766,070.68 and 340,208.76 is: 469,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,110.24 : 766,070.68 = 340,208.76 : x
  2. Step 2: Convert to fraction form
    555,110.24/766,070.68 = 340,208.76/x
  3. Step 3: Cross multiply
    555,110.24x = 766,070.68 × 340,208.76
  4. Step 4: Simplify right side
    555,110.24x = 260,623,956,115.16
  5. Step 5: Solve for x
    x = 260,623,956,115.16/555,110.24
  6. Step 6: Final answer
    x = 469,499.46

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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.