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Finding the Fourth Proportional to 610,030.05, 841,841.55 and 338,115.48

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Solution

The fourth proportional to 610,030.05, 841,841.55 and 338,115.48 is: 466,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,030.05 : 841,841.55 = 338,115.48 : x
  2. Step 2: Convert to fraction form
    610,030.05/841,841.55 = 338,115.48/x
  3. Step 3: Cross multiply
    610,030.05x = 841,841.55 × 338,115.48
  4. Step 4: Simplify right side
    610,030.05x = 284,639,659,762.19
  5. Step 5: Solve for x
    x = 284,639,659,762.19/610,030.05
  6. Step 6: Final answer
    x = 466,599.41

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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.