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Finding the Fourth Proportional to 978,045.40, 1,465,685.70 and 602,954.20

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Solution

The fourth proportional to 978,045.40, 1,465,685.70 and 602,954.20 is: 903,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,045.40 : 1,465,685.70 = 602,954.20 : x
  2. Step 2: Convert to fraction form
    978,045.40/1,465,685.70 = 602,954.20/x
  3. Step 3: Cross multiply
    978,045.40x = 1,465,685.70 × 602,954.20
  4. Step 4: Simplify right side
    978,045.40x = 883,741,348,694.94
  5. Step 5: Solve for x
    x = 883,741,348,694.94/978,045.40
  6. Step 6: Final answer
    x = 903,579.07

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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.