Home / 772,448.40-1,158,672.60-655,808.40

Finding the Fourth Proportional to 772,448.40, 1,158,672.60 and 655,808.40

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Solution

The fourth proportional to 772,448.40, 1,158,672.60 and 655,808.40 is: 983,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,448.40 : 1,158,672.60 = 655,808.40 : x
  2. Step 2: Convert to fraction form
    772,448.40/1,158,672.60 = 655,808.40/x
  3. Step 3: Cross multiply
    772,448.40x = 1,158,672.60 × 655,808.40
  4. Step 4: Simplify right side
    772,448.40x = 759,867,223,929.84
  5. Step 5: Solve for x
    x = 759,867,223,929.84/772,448.40
  6. Step 6: Final answer
    x = 983,712.60

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Similar ratio
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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.