Home / 874,776.10-1,312,563.96-395,132.14

Finding the Fourth Proportional to 874,776.10, 1,312,563.96 and 395,132.14

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Solution

The fourth proportional to 874,776.10, 1,312,563.96 and 395,132.14 is: 592,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,776.10 : 1,312,563.96 = 395,132.14 : x
  2. Step 2: Convert to fraction form
    874,776.10/1,312,563.96 = 395,132.14/x
  3. Step 3: Cross multiply
    874,776.10x = 1,312,563.96 × 395,132.14
  4. Step 4: Simplify right side
    874,776.10x = 518,636,206,401.67
  5. Step 5: Solve for x
    x = 518,636,206,401.67/874,776.10
  6. Step 6: Final answer
    x = 592,878.80

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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.