Home / 653,551.92-901,795.59-408,507.67

Finding the Fourth Proportional to 653,551.92, 901,795.59 and 408,507.67

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Solution

The fourth proportional to 653,551.92, 901,795.59 and 408,507.67 is: 563,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,551.92 : 901,795.59 = 408,507.67 : x
  2. Step 2: Convert to fraction form
    653,551.92/901,795.59 = 408,507.67/x
  3. Step 3: Cross multiply
    653,551.92x = 901,795.59 × 408,507.67
  4. Step 4: Simplify right side
    653,551.92x = 368,390,415,287.18
  5. Step 5: Solve for x
    x = 368,390,415,287.18/653,551.92
  6. Step 6: Final answer
    x = 563,674.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.