Home / 648,589.16-972,783.93-216,314.23

Finding the Fourth Proportional to 648,589.16, 972,783.93 and 216,314.23

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Solution

The fourth proportional to 648,589.16, 972,783.93 and 216,314.23 is: 324,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,589.16 : 972,783.93 = 216,314.23 : x
  2. Step 2: Convert to fraction form
    648,589.16/972,783.93 = 216,314.23/x
  3. Step 3: Cross multiply
    648,589.16x = 972,783.93 × 216,314.23
  4. Step 4: Simplify right side
    648,589.16x = 210,427,006,774.32
  5. Step 5: Solve for x
    x = 210,427,006,774.32/648,589.16
  6. Step 6: Final answer
    x = 324,438.06

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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.