Home / 679,964.10-1,019,946.15-561,768.90

Finding the Fourth Proportional to 679,964.10, 1,019,946.15 and 561,768.90

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Solution

The fourth proportional to 679,964.10, 1,019,946.15 and 561,768.90 is: 842,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,964.10 : 1,019,946.15 = 561,768.90 : x
  2. Step 2: Convert to fraction form
    679,964.10/1,019,946.15 = 561,768.90/x
  3. Step 3: Cross multiply
    679,964.10x = 1,019,946.15 × 561,768.90
  4. Step 4: Simplify right side
    679,964.10x = 572,974,026,744.74
  5. Step 5: Solve for x
    x = 572,974,026,744.74/679,964.10
  6. Step 6: Final answer
    x = 842,653.35

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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.