Home / 972,047.70-1,458,071.55-545,145.30

Finding the Fourth Proportional to 972,047.70, 1,458,071.55 and 545,145.30

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Solution

The fourth proportional to 972,047.70, 1,458,071.55 and 545,145.30 is: 817,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,047.70 : 1,458,071.55 = 545,145.30 : x
  2. Step 2: Convert to fraction form
    972,047.70/1,458,071.55 = 545,145.30/x
  3. Step 3: Cross multiply
    972,047.70x = 1,458,071.55 × 545,145.30
  4. Step 4: Simplify right side
    972,047.70x = 794,860,852,546.22
  5. Step 5: Solve for x
    x = 794,860,852,546.22/972,047.70
  6. Step 6: Final answer
    x = 817,717.95

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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.