Home / 710,125.60-1,065,793.20-289,703.20

Finding the Fourth Proportional to 710,125.60, 1,065,793.20 and 289,703.20

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Solution

The fourth proportional to 710,125.60, 1,065,793.20 and 289,703.20 is: 434,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,125.60 : 1,065,793.20 = 289,703.20 : x
  2. Step 2: Convert to fraction form
    710,125.60/1,065,793.20 = 289,703.20/x
  3. Step 3: Cross multiply
    710,125.60x = 1,065,793.20 × 289,703.20
  4. Step 4: Simplify right side
    710,125.60x = 308,763,700,578.24
  5. Step 5: Solve for x
    x = 308,763,700,578.24/710,125.60
  6. Step 6: Final answer
    x = 434,801.53

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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.