Home / 711,220.37-1,065,706.97-577,447.04

Finding the Fourth Proportional to 711,220.37, 1,065,706.97 and 577,447.04

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Solution

The fourth proportional to 711,220.37, 1,065,706.97 and 577,447.04 is: 865,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,220.37 : 1,065,706.97 = 577,447.04 : x
  2. Step 2: Convert to fraction form
    711,220.37/1,065,706.97 = 577,447.04/x
  3. Step 3: Cross multiply
    711,220.37x = 1,065,706.97 × 577,447.04
  4. Step 4: Simplify right side
    711,220.37x = 615,389,327,118.10
  5. Step 5: Solve for x
    x = 615,389,327,118.10/711,220.37
  6. Step 6: Final answer
    x = 865,258.30

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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.