Home / 780,164.36-1,168,354.76-539,603.12

Finding the Fourth Proportional to 780,164.36, 1,168,354.76 and 539,603.12

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Solution

The fourth proportional to 780,164.36, 1,168,354.76 and 539,603.12 is: 808,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,164.36 : 1,168,354.76 = 539,603.12 : x
  2. Step 2: Convert to fraction form
    780,164.36/1,168,354.76 = 539,603.12/x
  3. Step 3: Cross multiply
    780,164.36x = 1,168,354.76 × 539,603.12
  4. Step 4: Simplify right side
    780,164.36x = 630,447,873,762.85
  5. Step 5: Solve for x
    x = 630,447,873,762.85/780,164.36
  6. Step 6: Final answer
    x = 808,096.22

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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.