Home / 772,802.20-1,158,663.30-457,096.60

Finding the Fourth Proportional to 772,802.20, 1,158,663.30 and 457,096.60

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Solution

The fourth proportional to 772,802.20, 1,158,663.30 and 457,096.60 is: 685,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,802.20 : 1,158,663.30 = 457,096.60 : x
  2. Step 2: Convert to fraction form
    772,802.20/1,158,663.30 = 457,096.60/x
  3. Step 3: Cross multiply
    772,802.20x = 1,158,663.30 × 457,096.60
  4. Step 4: Simplify right side
    772,802.20x = 529,621,054,974.78
  5. Step 5: Solve for x
    x = 529,621,054,974.78/772,802.20
  6. Step 6: Final answer
    x = 685,325.50

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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.