Home / 348,821.20-523,231.80-342,916.30

Finding the Fourth Proportional to 348,821.20, 523,231.80 and 342,916.30

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Solution

The fourth proportional to 348,821.20, 523,231.80 and 342,916.30 is: 514,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,821.20 : 523,231.80 = 342,916.30 : x
  2. Step 2: Convert to fraction form
    348,821.20/523,231.80 = 342,916.30/x
  3. Step 3: Cross multiply
    348,821.20x = 523,231.80 × 342,916.30
  4. Step 4: Simplify right side
    348,821.20x = 179,424,712,898.34
  5. Step 5: Solve for x
    x = 179,424,712,898.34/348,821.20
  6. Step 6: Final answer
    x = 514,374.45

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1.5x scale

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.