Home / 772,088.40-1,158,132.60-585,464.40

Finding the Fourth Proportional to 772,088.40, 1,158,132.60 and 585,464.40

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Solution

The fourth proportional to 772,088.40, 1,158,132.60 and 585,464.40 is: 878,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,088.40 : 1,158,132.60 = 585,464.40 : x
  2. Step 2: Convert to fraction form
    772,088.40/1,158,132.60 = 585,464.40/x
  3. Step 3: Cross multiply
    772,088.40x = 1,158,132.60 × 585,464.40
  4. Step 4: Simplify right side
    772,088.40x = 678,045,407,779.44
  5. Step 5: Solve for x
    x = 678,045,407,779.44/772,088.40
  6. Step 6: Final answer
    x = 878,196.60

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Double scale
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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.