Home / 851,686.54-1,175,030.63-545,931.51

Finding the Fourth Proportional to 851,686.54, 1,175,030.63 and 545,931.51

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Solution

The fourth proportional to 851,686.54, 1,175,030.63 and 545,931.51 is: 753,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,686.54 : 1,175,030.63 = 545,931.51 : x
  2. Step 2: Convert to fraction form
    851,686.54/1,175,030.63 = 545,931.51/x
  3. Step 3: Cross multiply
    851,686.54x = 1,175,030.63 × 545,931.51
  4. Step 4: Simplify right side
    851,686.54x = 641,486,241,043.37
  5. Step 5: Solve for x
    x = 641,486,241,043.37/851,686.54
  6. Step 6: Final answer
    x = 753,195.23

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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.