Home / 658,267.35-908,403.75-356,461.35

Finding the Fourth Proportional to 658,267.35, 908,403.75 and 356,461.35

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Solution

The fourth proportional to 658,267.35, 908,403.75 and 356,461.35 is: 491,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,267.35 : 908,403.75 = 356,461.35 : x
  2. Step 2: Convert to fraction form
    658,267.35/908,403.75 = 356,461.35/x
  3. Step 3: Cross multiply
    658,267.35x = 908,403.75 × 356,461.35
  4. Step 4: Simplify right side
    658,267.35x = 323,810,827,070.06
  5. Step 5: Solve for x
    x = 323,810,827,070.06/658,267.35
  6. Step 6: Final answer
    x = 491,913.85

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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.