Home / 867,931.80-1,301,897.70-727,963.80

Finding the Fourth Proportional to 867,931.80, 1,301,897.70 and 727,963.80

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Solution

The fourth proportional to 867,931.80, 1,301,897.70 and 727,963.80 is: 1,091,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,931.80 : 1,301,897.70 = 727,963.80 : x
  2. Step 2: Convert to fraction form
    867,931.80/1,301,897.70 = 727,963.80/x
  3. Step 3: Cross multiply
    867,931.80x = 1,301,897.70 × 727,963.80
  4. Step 4: Simplify right side
    867,931.80x = 947,734,396,903.26
  5. Step 5: Solve for x
    x = 947,734,396,903.26/867,931.80
  6. Step 6: Final answer
    x = 1,091,945.70

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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.