Home / 668,522.98-1,003,090.65-289,559.62

Finding the Fourth Proportional to 668,522.98, 1,003,090.65 and 289,559.62

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Solution

The fourth proportional to 668,522.98, 1,003,090.65 and 289,559.62 is: 434,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,522.98 : 1,003,090.65 = 289,559.62 : x
  2. Step 2: Convert to fraction form
    668,522.98/1,003,090.65 = 289,559.62/x
  3. Step 3: Cross multiply
    668,522.98x = 1,003,090.65 × 289,559.62
  4. Step 4: Simplify right side
    668,522.98x = 290,454,547,439.55
  5. Step 5: Solve for x
    x = 290,454,547,439.55/668,522.98
  6. Step 6: Final answer
    x = 434,472.05

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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.