Home / 434,047.28-652,068.75-306,257.68

Finding the Fourth Proportional to 434,047.28, 652,068.75 and 306,257.68

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Solution

The fourth proportional to 434,047.28, 652,068.75 and 306,257.68 is: 460,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,047.28 : 652,068.75 = 306,257.68 : x
  2. Step 2: Convert to fraction form
    434,047.28/652,068.75 = 306,257.68/x
  3. Step 3: Cross multiply
    434,047.28x = 652,068.75 × 306,257.68
  4. Step 4: Simplify right side
    434,047.28x = 199,701,062,575.50
  5. Step 5: Solve for x
    x = 199,701,062,575.50/434,047.28
  6. Step 6: Final answer
    x = 460,090.57

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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.