Home / 933,742.06-1,288,546.55-571,139.28

Finding the Fourth Proportional to 933,742.06, 1,288,546.55 and 571,139.28

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Solution

The fourth proportional to 933,742.06, 1,288,546.55 and 571,139.28 is: 788,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,742.06 : 1,288,546.55 = 571,139.28 : x
  2. Step 2: Convert to fraction form
    933,742.06/1,288,546.55 = 571,139.28/x
  3. Step 3: Cross multiply
    933,742.06x = 1,288,546.55 × 571,139.28
  4. Step 4: Simplify right side
    933,742.06x = 735,939,548,373.81
  5. Step 5: Solve for x
    x = 735,939,548,373.81/933,742.06
  6. Step 6: Final answer
    x = 788,161.51

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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.