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Finding the Fourth Proportional to 671,040, 926,041.68 and 369,240.48

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Solution

The fourth proportional to 671,040, 926,041.68 and 369,240.48 is: 509,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,040 : 926,041.68 = 369,240.48 : x
  2. Step 2: Convert to fraction form
    671,040/926,041.68 = 369,240.48/x
  3. Step 3: Cross multiply
    671,040x = 926,041.68 × 369,240.48
  4. Step 4: Simplify right side
    671,040x = 341,932,074,423.21
  5. Step 5: Solve for x
    x = 341,932,074,423.21/671,040
  6. Step 6: Final answer
    x = 509,555.43

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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.