Home / 710,059.60-1,065,694.20-289,637.20

Finding the Fourth Proportional to 710,059.60, 1,065,694.20 and 289,637.20

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Solution

The fourth proportional to 710,059.60, 1,065,694.20 and 289,637.20 is: 434,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,059.60 : 1,065,694.20 = 289,637.20 : x
  2. Step 2: Convert to fraction form
    710,059.60/1,065,694.20 = 289,637.20/x
  3. Step 3: Cross multiply
    710,059.60x = 1,065,694.20 × 289,637.20
  4. Step 4: Simplify right side
    710,059.60x = 308,664,684,144.24
  5. Step 5: Solve for x
    x = 308,664,684,144.24/710,059.60
  6. Step 6: Final answer
    x = 434,702.50

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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.