Home / 778,316.40-1,167,509.52-238,533.12

Finding the Fourth Proportional to 778,316.40, 1,167,509.52 and 238,533.12

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Solution

The fourth proportional to 778,316.40, 1,167,509.52 and 238,533.12 is: 357,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,316.40 : 1,167,509.52 = 238,533.12 : x
  2. Step 2: Convert to fraction form
    778,316.40/1,167,509.52 = 238,533.12/x
  3. Step 3: Cross multiply
    778,316.40x = 1,167,509.52 × 238,533.12
  4. Step 4: Simplify right side
    778,316.40x = 278,489,688,435.30
  5. Step 5: Solve for x
    x = 278,489,688,435.30/778,316.40
  6. Step 6: Final answer
    x = 357,810.38

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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.