Home / 718,587.60-1,077,881.40-245,288.40

Finding the Fourth Proportional to 718,587.60, 1,077,881.40 and 245,288.40

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Solution

The fourth proportional to 718,587.60, 1,077,881.40 and 245,288.40 is: 367,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,587.60 : 1,077,881.40 = 245,288.40 : x
  2. Step 2: Convert to fraction form
    718,587.60/1,077,881.40 = 245,288.40/x
  3. Step 3: Cross multiply
    718,587.60x = 1,077,881.40 × 245,288.40
  4. Step 4: Simplify right side
    718,587.60x = 264,391,803,995.76
  5. Step 5: Solve for x
    x = 264,391,803,995.76/718,587.60
  6. Step 6: Final answer
    x = 367,932.60

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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.