Home / 985,339.36-1,359,535.66-555,536.46

Finding the Fourth Proportional to 985,339.36, 1,359,535.66 and 555,536.46

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Solution

The fourth proportional to 985,339.36, 1,359,535.66 and 555,536.46 is: 766,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,339.36 : 1,359,535.66 = 555,536.46 : x
  2. Step 2: Convert to fraction form
    985,339.36/1,359,535.66 = 555,536.46/x
  3. Step 3: Cross multiply
    985,339.36x = 1,359,535.66 × 555,536.46
  4. Step 4: Simplify right side
    985,339.36x = 755,271,627,800.16
  5. Step 5: Solve for x
    x = 755,271,627,800.16/985,339.36
  6. Step 6: Final answer
    x = 766,509.14

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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.