Home / 1,087,475.02-1,630,314.41-479,830.70

Finding the Fourth Proportional to 1,087,475.02, 1,630,314.41 and 479,830.70

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Solution

The fourth proportional to 1,087,475.02, 1,630,314.41 and 479,830.70 is: 719,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,475.02 : 1,630,314.41 = 479,830.70 : x
  2. Step 2: Convert to fraction form
    1,087,475.02/1,630,314.41 = 479,830.70/x
  3. Step 3: Cross multiply
    1,087,475.02x = 1,630,314.41 × 479,830.70
  4. Step 4: Simplify right side
    1,087,475.02x = 782,274,906,247.02
  5. Step 5: Solve for x
    x = 782,274,906,247.02/1,087,475.02
  6. Step 6: Final answer
    x = 719,349.77

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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.