Home / 903,708.16-1,247,266.56-501,429.76

Finding the Fourth Proportional to 903,708.16, 1,247,266.56 and 501,429.76

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Solution

The fourth proportional to 903,708.16, 1,247,266.56 and 501,429.76 is: 692,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,708.16 : 1,247,266.56 = 501,429.76 : x
  2. Step 2: Convert to fraction form
    903,708.16/1,247,266.56 = 501,429.76/x
  3. Step 3: Cross multiply
    903,708.16x = 1,247,266.56 × 501,429.76
  4. Step 4: Simplify right side
    903,708.16x = 625,416,571,836.83
  5. Step 5: Solve for x
    x = 625,416,571,836.83/903,708.16
  6. Step 6: Final answer
    x = 692,055.91

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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.