Home / 771,741.58-1,157,656.14-239,338.30

Finding the Fourth Proportional to 771,741.58, 1,157,656.14 and 239,338.30

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Solution

The fourth proportional to 771,741.58, 1,157,656.14 and 239,338.30 is: 359,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,741.58 : 1,157,656.14 = 239,338.30 : x
  2. Step 2: Convert to fraction form
    771,741.58/1,157,656.14 = 239,338.30/x
  3. Step 3: Cross multiply
    771,741.58x = 1,157,656.14 × 239,338.30
  4. Step 4: Simplify right side
    771,741.58x = 277,071,452,532.16
  5. Step 5: Solve for x
    x = 277,071,452,532.16/771,741.58
  6. Step 6: Final answer
    x = 359,021.02

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1.5x scale

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.