Home / 948,208.21-1,308,275.04-540,301.36

Finding the Fourth Proportional to 948,208.21, 1,308,275.04 and 540,301.36

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Solution

The fourth proportional to 948,208.21, 1,308,275.04 and 540,301.36 is: 745,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,208.21 : 1,308,275.04 = 540,301.36 : x
  2. Step 2: Convert to fraction form
    948,208.21/1,308,275.04 = 540,301.36/x
  3. Step 3: Cross multiply
    948,208.21x = 1,308,275.04 × 540,301.36
  4. Step 4: Simplify right side
    948,208.21x = 706,862,775,256.21
  5. Step 5: Solve for x
    x = 706,862,775,256.21/948,208.21
  6. Step 6: Final answer
    x = 745,472.11

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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.