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Finding the Fourth Proportional to 674,521.02, 930,841.44 and 368,597.40

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Solution

The fourth proportional to 674,521.02, 930,841.44 and 368,597.40 is: 508,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,521.02 : 930,841.44 = 368,597.40 : x
  2. Step 2: Convert to fraction form
    674,521.02/930,841.44 = 368,597.40/x
  3. Step 3: Cross multiply
    674,521.02x = 930,841.44 × 368,597.40
  4. Step 4: Simplify right side
    674,521.02x = 343,105,734,596.26
  5. Step 5: Solve for x
    x = 343,105,734,596.26/674,521.02
  6. Step 6: Final answer
    x = 508,665.74

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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.