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Finding the Fourth Proportional to 448,398, 670,935.60 and 359,381.52

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Solution

The fourth proportional to 448,398, 670,935.60 and 359,381.52 is: 537,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,398 : 670,935.60 = 359,381.52 : x
  2. Step 2: Convert to fraction form
    448,398/670,935.60 = 359,381.52/x
  3. Step 3: Cross multiply
    448,398x = 670,935.60 × 359,381.52
  4. Step 4: Simplify right side
    448,398x = 241,121,855,750.11
  5. Step 5: Solve for x
    x = 241,121,855,750.11/448,398
  6. Step 6: Final answer
    x = 537,740.70

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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.