Home / 780,146.34-1,168,327.78-539,585.10

Finding the Fourth Proportional to 780,146.34, 1,168,327.78 and 539,585.10

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Solution

The fourth proportional to 780,146.34, 1,168,327.78 and 539,585.10 is: 808,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,146.34 : 1,168,327.78 = 539,585.10 : x
  2. Step 2: Convert to fraction form
    780,146.34/1,168,327.78 = 539,585.10/x
  3. Step 3: Cross multiply
    780,146.34x = 1,168,327.78 × 539,585.10
  4. Step 4: Simplify right side
    780,146.34x = 630,412,257,969.67
  5. Step 5: Solve for x
    x = 630,412,257,969.67/780,146.34
  6. Step 6: Final answer
    x = 808,069.24

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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.