Home / 558,669.66-770,981.61-316,962.42

Finding the Fourth Proportional to 558,669.66, 770,981.61 and 316,962.42

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Solution

The fourth proportional to 558,669.66, 770,981.61 and 316,962.42 is: 437,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,669.66 : 770,981.61 = 316,962.42 : x
  2. Step 2: Convert to fraction form
    558,669.66/770,981.61 = 316,962.42/x
  3. Step 3: Cross multiply
    558,669.66x = 770,981.61 × 316,962.42
  4. Step 4: Simplify right side
    558,669.66x = 244,372,196,881.10
  5. Step 5: Solve for x
    x = 244,372,196,881.10/558,669.66
  6. Step 6: Final answer
    x = 437,418.06

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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.