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Finding the Fourth Proportional to 602,131.79, 901,426.12 and 401,955.68

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Solution

The fourth proportional to 602,131.79, 901,426.12 and 401,955.68 is: 601,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,131.79 : 901,426.12 = 401,955.68 : x
  2. Step 2: Convert to fraction form
    602,131.79/901,426.12 = 401,955.68/x
  3. Step 3: Cross multiply
    602,131.79x = 901,426.12 × 401,955.68
  4. Step 4: Simplify right side
    602,131.79x = 362,333,350,283.04
  5. Step 5: Solve for x
    x = 362,333,350,283.04/602,131.79
  6. Step 6: Final answer
    x = 601,750.90

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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.