Home / 434,315.66-598,607.10-288,861.35

Finding the Fourth Proportional to 434,315.66, 598,607.10 and 288,861.35

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Solution

The fourth proportional to 434,315.66, 598,607.10 and 288,861.35 is: 398,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,315.66 : 598,607.10 = 288,861.35 : x
  2. Step 2: Convert to fraction form
    434,315.66/598,607.10 = 288,861.35/x
  3. Step 3: Cross multiply
    434,315.66x = 598,607.10 × 288,861.35
  4. Step 4: Simplify right side
    434,315.66x = 172,914,452,032.55
  5. Step 5: Solve for x
    x = 172,914,452,032.55/434,315.66
  6. Step 6: Final answer
    x = 398,130.83

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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.