Home / 877,234.38-1,315,586.70-456,280.62

Finding the Fourth Proportional to 877,234.38, 1,315,586.70 and 456,280.62

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Solution

The fourth proportional to 877,234.38, 1,315,586.70 and 456,280.62 is: 684,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,234.38 : 1,315,586.70 = 456,280.62 : x
  2. Step 2: Convert to fraction form
    877,234.38/1,315,586.70 = 456,280.62/x
  3. Step 3: Cross multiply
    877,234.38x = 1,315,586.70 × 456,280.62
  4. Step 4: Simplify right side
    877,234.38x = 600,276,715,139.75
  5. Step 5: Solve for x
    x = 600,276,715,139.75/877,234.38
  6. Step 6: Final answer
    x = 684,283.16

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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.