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Finding the Fourth Proportional to 658,352, 908,525.76 and 356,546

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Solution

The fourth proportional to 658,352, 908,525.76 and 356,546 is: 492,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,352 : 908,525.76 = 356,546 : x
  2. Step 2: Convert to fraction form
    658,352/908,525.76 = 356,546/x
  3. Step 3: Cross multiply
    658,352x = 908,525.76 × 356,546
  4. Step 4: Simplify right side
    658,352x = 323,931,225,624.96
  5. Step 5: Solve for x
    x = 323,931,225,624.96/658,352
  6. Step 6: Final answer
    x = 492,033.48

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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.