Home / 781,041.60-1,168,840.80-465,724.80

Finding the Fourth Proportional to 781,041.60, 1,168,840.80 and 465,724.80

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Solution

The fourth proportional to 781,041.60, 1,168,840.80 and 465,724.80 is: 696,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,041.60 : 1,168,840.80 = 465,724.80 : x
  2. Step 2: Convert to fraction form
    781,041.60/1,168,840.80 = 465,724.80/x
  3. Step 3: Cross multiply
    781,041.60x = 1,168,840.80 × 465,724.80
  4. Step 4: Simplify right side
    781,041.60x = 544,358,147,811.84
  5. Step 5: Solve for x
    x = 544,358,147,811.84/781,041.60
  6. Step 6: Final answer
    x = 696,964.35

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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.