Home / 907,898.04-1,359,286.70-480,465.72

Finding the Fourth Proportional to 907,898.04, 1,359,286.70 and 480,465.72

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Solution

The fourth proportional to 907,898.04, 1,359,286.70 and 480,465.72 is: 719,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,898.04 : 1,359,286.70 = 480,465.72 : x
  2. Step 2: Convert to fraction form
    907,898.04/1,359,286.70 = 480,465.72/x
  3. Step 3: Cross multiply
    907,898.04x = 1,359,286.70 × 480,465.72
  4. Step 4: Simplify right side
    907,898.04x = 653,090,663,001.92
  5. Step 5: Solve for x
    x = 653,090,663,001.92/907,898.04
  6. Step 6: Final answer
    x = 719,343.62

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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.