Home / 909,248.07-1,364,265.40-488,031.87

Finding the Fourth Proportional to 909,248.07, 1,364,265.40 and 488,031.87

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Solution

The fourth proportional to 909,248.07, 1,364,265.40 and 488,031.87 is: 732,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,248.07 : 1,364,265.40 = 488,031.87 : x
  2. Step 2: Convert to fraction form
    909,248.07/1,364,265.40 = 488,031.87/x
  3. Step 3: Cross multiply
    909,248.07x = 1,364,265.40 × 488,031.87
  4. Step 4: Simplify right side
    909,248.07x = 665,804,987,516.97
  5. Step 5: Solve for x
    x = 665,804,987,516.97/909,248.07
  6. Step 6: Final answer
    x = 732,258.90

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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.