Home / 873,160.29-1,205,000.81-486,000.42

Finding the Fourth Proportional to 873,160.29, 1,205,000.81 and 486,000.42

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Solution

The fourth proportional to 873,160.29, 1,205,000.81 and 486,000.42 is: 670,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,160.29 : 1,205,000.81 = 486,000.42 : x
  2. Step 2: Convert to fraction form
    873,160.29/1,205,000.81 = 486,000.42/x
  3. Step 3: Cross multiply
    873,160.29x = 1,205,000.81 × 486,000.42
  4. Step 4: Simplify right side
    873,160.29x = 585,630,897,330.34
  5. Step 5: Solve for x
    x = 585,630,897,330.34/873,160.29
  6. Step 6: Final answer
    x = 670,702.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.