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Finding the Fourth Proportional to 637,344.40, 954,864.60 and 370,886.80

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Solution

The fourth proportional to 637,344.40, 954,864.60 and 370,886.80 is: 555,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,344.40 : 954,864.60 = 370,886.80 : x
  2. Step 2: Convert to fraction form
    637,344.40/954,864.60 = 370,886.80/x
  3. Step 3: Cross multiply
    637,344.40x = 954,864.60 × 370,886.80
  4. Step 4: Simplify right side
    637,344.40x = 354,146,675,927.28
  5. Step 5: Solve for x
    x = 354,146,675,927.28/637,344.40
  6. Step 6: Final answer
    x = 555,659.82

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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.