Home / 605,424.48-835,490.04-347,312.69

Finding the Fourth Proportional to 605,424.48, 835,490.04 and 347,312.69

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Solution

The fourth proportional to 605,424.48, 835,490.04 and 347,312.69 is: 479,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,424.48 : 835,490.04 = 347,312.69 : x
  2. Step 2: Convert to fraction form
    605,424.48/835,490.04 = 347,312.69/x
  3. Step 3: Cross multiply
    605,424.48x = 835,490.04 × 347,312.69
  4. Step 4: Simplify right side
    605,424.48x = 290,176,290,517.64
  5. Step 5: Solve for x
    x = 290,176,290,517.64/605,424.48
  6. Step 6: Final answer
    x = 479,293.95

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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.