Home / 710,541.20-1,065,293.40-289,600.40

Finding the Fourth Proportional to 710,541.20, 1,065,293.40 and 289,600.40

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Solution

The fourth proportional to 710,541.20, 1,065,293.40 and 289,600.40 is: 434,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,541.20 : 1,065,293.40 = 289,600.40 : x
  2. Step 2: Convert to fraction form
    710,541.20/1,065,293.40 = 289,600.40/x
  3. Step 3: Cross multiply
    710,541.20x = 1,065,293.40 × 289,600.40
  4. Step 4: Simplify right side
    710,541.20x = 308,509,394,757.36
  5. Step 5: Solve for x
    x = 308,509,394,757.36/710,541.20
  6. Step 6: Final answer
    x = 434,189.31

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1.5x scale

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.