Home / 897,390.72-1,346,972.85-392,300.34

Finding the Fourth Proportional to 897,390.72, 1,346,972.85 and 392,300.34

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Solution

The fourth proportional to 897,390.72, 1,346,972.85 and 392,300.34 is: 588,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,390.72 : 1,346,972.85 = 392,300.34 : x
  2. Step 2: Convert to fraction form
    897,390.72/1,346,972.85 = 392,300.34/x
  3. Step 3: Cross multiply
    897,390.72x = 1,346,972.85 × 392,300.34
  4. Step 4: Simplify right side
    897,390.72x = 528,417,907,025.77
  5. Step 5: Solve for x
    x = 528,417,907,025.77/897,390.72
  6. Step 6: Final answer
    x = 588,838.17

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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.