Home / 679,426.10-937,625.97-369,349.55

Finding the Fourth Proportional to 679,426.10, 937,625.97 and 369,349.55

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Solution

The fourth proportional to 679,426.10, 937,625.97 and 369,349.55 is: 509,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,426.10 : 937,625.97 = 369,349.55 : x
  2. Step 2: Convert to fraction form
    679,426.10/937,625.97 = 369,349.55/x
  3. Step 3: Cross multiply
    679,426.10x = 937,625.97 × 369,349.55
  4. Step 4: Simplify right side
    679,426.10x = 346,311,727,718.85
  5. Step 5: Solve for x
    x = 346,311,727,718.85/679,426.10
  6. Step 6: Final answer
    x = 509,712.13

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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.