Home / 510,922.69-766,369.45-155,885.11

Finding the Fourth Proportional to 510,922.69, 766,369.45 and 155,885.11

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Solution

The fourth proportional to 510,922.69, 766,369.45 and 155,885.11 is: 233,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,922.69 : 766,369.45 = 155,885.11 : x
  2. Step 2: Convert to fraction form
    510,922.69/766,369.45 = 155,885.11/x
  3. Step 3: Cross multiply
    510,922.69x = 766,369.45 × 155,885.11
  4. Step 4: Simplify right side
    510,922.69x = 119,465,584,292.82
  5. Step 5: Solve for x
    x = 119,465,584,292.82/510,922.69
  6. Step 6: Final answer
    x = 233,823.21

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1.5x scale

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.