Home / 923,421.16-1,385,210.70-324,330.16

Finding the Fourth Proportional to 923,421.16, 1,385,210.70 and 324,330.16

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Solution

The fourth proportional to 923,421.16, 1,385,210.70 and 324,330.16 is: 486,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,421.16 : 1,385,210.70 = 324,330.16 : x
  2. Step 2: Convert to fraction form
    923,421.16/1,385,210.70 = 324,330.16/x
  3. Step 3: Cross multiply
    923,421.16x = 1,385,210.70 × 324,330.16
  4. Step 4: Simplify right side
    923,421.16x = 449,265,607,964.71
  5. Step 5: Solve for x
    x = 449,265,607,964.71/923,421.16
  6. Step 6: Final answer
    x = 486,522.97

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Double scale
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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.