Home / 672,781.84-1,009,172.77-461,780.08

Finding the Fourth Proportional to 672,781.84, 1,009,172.77 and 461,780.08

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Solution

The fourth proportional to 672,781.84, 1,009,172.77 and 461,780.08 is: 692,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,781.84 : 1,009,172.77 = 461,780.08 : x
  2. Step 2: Convert to fraction form
    672,781.84/1,009,172.77 = 461,780.08/x
  3. Step 3: Cross multiply
    672,781.84x = 1,009,172.77 × 461,780.08
  4. Step 4: Simplify right side
    672,781.84x = 466,015,878,787.04
  5. Step 5: Solve for x
    x = 466,015,878,787.04/672,781.84
  6. Step 6: Final answer
    x = 692,670.12

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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.