Home / 648,351.95-972,528.12-175,036.95

Finding the Fourth Proportional to 648,351.95, 972,528.12 and 175,036.95

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Solution

The fourth proportional to 648,351.95, 972,528.12 and 175,036.95 is: 262,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,351.95 : 972,528.12 = 175,036.95 : x
  2. Step 2: Convert to fraction form
    648,351.95/972,528.12 = 175,036.95/x
  3. Step 3: Cross multiply
    648,351.95x = 972,528.12 × 175,036.95
  4. Step 4: Simplify right side
    648,351.95x = 170,228,355,914.03
  5. Step 5: Solve for x
    x = 170,228,355,914.03/648,351.95
  6. Step 6: Final answer
    x = 262,555.48

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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.