Home / 648,219.47-972,329.18-174,904.81

Finding the Fourth Proportional to 648,219.47, 972,329.18 and 174,904.81

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Solution

The fourth proportional to 648,219.47, 972,329.18 and 174,904.81 is: 262,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,219.47 : 972,329.18 = 174,904.81 : x
  2. Step 2: Convert to fraction form
    648,219.47/972,329.18 = 174,904.81/x
  3. Step 3: Cross multiply
    648,219.47x = 972,329.18 × 174,904.81
  4. Step 4: Simplify right side
    648,219.47x = 170,065,047,180.01
  5. Step 5: Solve for x
    x = 170,065,047,180.01/648,219.47
  6. Step 6: Final answer
    x = 262,357.21

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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.