Home / 688,522.20-1,032,783.30-578,297.40

Finding the Fourth Proportional to 688,522.20, 1,032,783.30 and 578,297.40

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Solution

The fourth proportional to 688,522.20, 1,032,783.30 and 578,297.40 is: 867,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,522.20 : 1,032,783.30 = 578,297.40 : x
  2. Step 2: Convert to fraction form
    688,522.20/1,032,783.30 = 578,297.40/x
  3. Step 3: Cross multiply
    688,522.20x = 1,032,783.30 × 578,297.40
  4. Step 4: Simplify right side
    688,522.20x = 597,255,897,153.42
  5. Step 5: Solve for x
    x = 597,255,897,153.42/688,522.20
  6. Step 6: Final answer
    x = 867,446.10

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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.