Home / 434,962.46-652,920.96-345,579.72

Finding the Fourth Proportional to 434,962.46, 652,920.96 and 345,579.72

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Solution

The fourth proportional to 434,962.46, 652,920.96 and 345,579.72 is: 518,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,962.46 : 652,920.96 = 345,579.72 : x
  2. Step 2: Convert to fraction form
    434,962.46/652,920.96 = 345,579.72/x
  3. Step 3: Cross multiply
    434,962.46x = 652,920.96 × 345,579.72
  4. Step 4: Simplify right side
    434,962.46x = 225,636,241,386.40
  5. Step 5: Solve for x
    x = 225,636,241,386.40/434,962.46
  6. Step 6: Final answer
    x = 518,748.77

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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.