Home / 784,659.40-1,176,989.10-607,512.40

Finding the Fourth Proportional to 784,659.40, 1,176,989.10 and 607,512.40

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Solution

The fourth proportional to 784,659.40, 1,176,989.10 and 607,512.40 is: 911,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,659.40 : 1,176,989.10 = 607,512.40 : x
  2. Step 2: Convert to fraction form
    784,659.40/1,176,989.10 = 607,512.40/x
  3. Step 3: Cross multiply
    784,659.40x = 1,176,989.10 × 607,512.40
  4. Step 4: Simplify right side
    784,659.40x = 715,035,472,914.84
  5. Step 5: Solve for x
    x = 715,035,472,914.84/784,659.40
  6. Step 6: Final answer
    x = 911,268.60

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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.