Home / 772,077.08-1,158,270.42-266,656.59

Finding the Fourth Proportional to 772,077.08, 1,158,270.42 and 266,656.59

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Solution

The fourth proportional to 772,077.08, 1,158,270.42 and 266,656.59 is: 400,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,077.08 : 1,158,270.42 = 266,656.59 : x
  2. Step 2: Convert to fraction form
    772,077.08/1,158,270.42 = 266,656.59/x
  3. Step 3: Cross multiply
    772,077.08x = 1,158,270.42 × 266,656.59
  4. Step 4: Simplify right side
    772,077.08x = 308,860,440,495.07
  5. Step 5: Solve for x
    x = 308,860,440,495.07/772,077.08
  6. Step 6: Final answer
    x = 400,038.35

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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.