Home / 814,830.66-1,124,522.94-470,782.76

Finding the Fourth Proportional to 814,830.66, 1,124,522.94 and 470,782.76

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Solution

The fourth proportional to 814,830.66, 1,124,522.94 and 470,782.76 is: 649,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,830.66 : 1,124,522.94 = 470,782.76 : x
  2. Step 2: Convert to fraction form
    814,830.66/1,124,522.94 = 470,782.76/x
  3. Step 3: Cross multiply
    814,830.66x = 1,124,522.94 × 470,782.76
  4. Step 4: Simplify right side
    814,830.66x = 529,406,007,753.90
  5. Step 5: Solve for x
    x = 529,406,007,753.90/814,830.66
  6. Step 6: Final answer
    x = 649,712.92

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1.5x scale

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.