Home / 684,311.20-1,026,466.80-614,327.20

Finding the Fourth Proportional to 684,311.20, 1,026,466.80 and 614,327.20

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Solution

The fourth proportional to 684,311.20, 1,026,466.80 and 614,327.20 is: 921,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,311.20 : 1,026,466.80 = 614,327.20 : x
  2. Step 2: Convert to fraction form
    684,311.20/1,026,466.80 = 614,327.20/x
  3. Step 3: Cross multiply
    684,311.20x = 1,026,466.80 × 614,327.20
  4. Step 4: Simplify right side
    684,311.20x = 630,586,475,136.96
  5. Step 5: Solve for x
    x = 630,586,475,136.96/684,311.20
  6. Step 6: Final answer
    x = 921,490.80

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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.