Home / 810,151.20-1,118,076.48-470,599.20

Finding the Fourth Proportional to 810,151.20, 1,118,076.48 and 470,599.20

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Solution

The fourth proportional to 810,151.20, 1,118,076.48 and 470,599.20 is: 649,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,151.20 : 1,118,076.48 = 470,599.20 : x
  2. Step 2: Convert to fraction form
    810,151.20/1,118,076.48 = 470,599.20/x
  3. Step 3: Cross multiply
    810,151.20x = 1,118,076.48 × 470,599.20
  4. Step 4: Simplify right side
    810,151.20x = 526,165,897,026.82
  5. Step 5: Solve for x
    x = 526,165,897,026.82/810,151.20
  6. Step 6: Final answer
    x = 649,466.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.