Home / 926,731.80-1,389,968.10-295,709.40

Finding the Fourth Proportional to 926,731.80, 1,389,968.10 and 295,709.40

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Solution

The fourth proportional to 926,731.80, 1,389,968.10 and 295,709.40 is: 443,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,731.80 : 1,389,968.10 = 295,709.40 : x
  2. Step 2: Convert to fraction form
    926,731.80/1,389,968.10 = 295,709.40/x
  3. Step 3: Cross multiply
    926,731.80x = 1,389,968.10 × 295,709.40
  4. Step 4: Simplify right side
    926,731.80x = 411,026,632,870.14
  5. Step 5: Solve for x
    x = 411,026,632,870.14/926,731.80
  6. Step 6: Final answer
    x = 443,522.75

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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.