Home / 434,336.58-598,635.77-288,882.05

Finding the Fourth Proportional to 434,336.58, 598,635.77 and 288,882.05

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Solution

The fourth proportional to 434,336.58, 598,635.77 and 288,882.05 is: 398,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,336.58 : 598,635.77 = 288,882.05 : x
  2. Step 2: Convert to fraction form
    434,336.58/598,635.77 = 288,882.05/x
  3. Step 3: Cross multiply
    434,336.58x = 598,635.77 × 288,882.05
  4. Step 4: Simplify right side
    434,336.58x = 172,935,124,003.34
  5. Step 5: Solve for x
    x = 172,935,124,003.34/434,336.58
  6. Step 6: Final answer
    x = 398,159.24

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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.