Home / 869,588.20-1,304,612.70-308,564.20

Finding the Fourth Proportional to 869,588.20, 1,304,612.70 and 308,564.20

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Solution

The fourth proportional to 869,588.20, 1,304,612.70 and 308,564.20 is: 462,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,588.20 : 1,304,612.70 = 308,564.20 : x
  2. Step 2: Convert to fraction form
    869,588.20/1,304,612.70 = 308,564.20/x
  3. Step 3: Cross multiply
    869,588.20x = 1,304,612.70 × 308,564.20
  4. Step 4: Simplify right side
    869,588.20x = 402,556,774,085.34
  5. Step 5: Solve for x
    x = 402,556,774,085.34/869,588.20
  6. Step 6: Final answer
    x = 462,928.06

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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.