Home / 830,522.79-1,146,107.75-467,983.80

Finding the Fourth Proportional to 830,522.79, 1,146,107.75 and 467,983.80

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Solution

The fourth proportional to 830,522.79, 1,146,107.75 and 467,983.80 is: 645,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,522.79 : 1,146,107.75 = 467,983.80 : x
  2. Step 2: Convert to fraction form
    830,522.79/1,146,107.75 = 467,983.80/x
  3. Step 3: Cross multiply
    830,522.79x = 1,146,107.75 × 467,983.80
  4. Step 4: Simplify right side
    830,522.79x = 536,359,857,714.53
  5. Step 5: Solve for x
    x = 536,359,857,714.53/830,522.79
  6. Step 6: Final answer
    x = 645,809.92

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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.