Home / 454,439.30-626,895.76-346,822.50

Finding the Fourth Proportional to 454,439.30, 626,895.76 and 346,822.50

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Solution

The fourth proportional to 454,439.30, 626,895.76 and 346,822.50 is: 478,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,439.30 : 626,895.76 = 346,822.50 : x
  2. Step 2: Convert to fraction form
    454,439.30/626,895.76 = 346,822.50/x
  3. Step 3: Cross multiply
    454,439.30x = 626,895.76 × 346,822.50
  4. Step 4: Simplify right side
    454,439.30x = 217,421,554,722.60
  5. Step 5: Solve for x
    x = 217,421,554,722.60/454,439.30
  6. Step 6: Final answer
    x = 478,439.16

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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.