Home / 778,708.23-1,074,617.57-429,848.85

Finding the Fourth Proportional to 778,708.23, 1,074,617.57 and 429,848.85

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Solution

The fourth proportional to 778,708.23, 1,074,617.57 and 429,848.85 is: 593,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,708.23 : 1,074,617.57 = 429,848.85 : x
  2. Step 2: Convert to fraction form
    778,708.23/1,074,617.57 = 429,848.85/x
  3. Step 3: Cross multiply
    778,708.23x = 1,074,617.57 × 429,848.85
  4. Step 4: Simplify right side
    778,708.23x = 461,923,124,505.06
  5. Step 5: Solve for x
    x = 461,923,124,505.06/778,708.23
  6. Step 6: Final answer
    x = 593,191.53

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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.