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Finding the Fourth Proportional to 402,475.06, 602,716.10 and 295,605.58

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Solution

The fourth proportional to 402,475.06, 602,716.10 and 295,605.58 is: 442,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,475.06 : 602,716.10 = 295,605.58 : x
  2. Step 2: Convert to fraction form
    402,475.06/602,716.10 = 295,605.58/x
  3. Step 3: Cross multiply
    402,475.06x = 602,716.10 × 295,605.58
  4. Step 4: Simplify right side
    402,475.06x = 178,166,242,315.84
  5. Step 5: Solve for x
    x = 178,166,242,315.84/402,475.06
  6. Step 6: Final answer
    x = 442,676.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.