Home / 972,176.70-1,458,265.05-545,274.30

Finding the Fourth Proportional to 972,176.70, 1,458,265.05 and 545,274.30

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Solution

The fourth proportional to 972,176.70, 1,458,265.05 and 545,274.30 is: 817,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,176.70 : 1,458,265.05 = 545,274.30 : x
  2. Step 2: Convert to fraction form
    972,176.70/1,458,265.05 = 545,274.30/x
  3. Step 3: Cross multiply
    972,176.70x = 1,458,265.05 × 545,274.30
  4. Step 4: Simplify right side
    972,176.70x = 795,154,454,353.22
  5. Step 5: Solve for x
    x = 795,154,454,353.22/972,176.70
  6. Step 6: Final answer
    x = 817,911.45

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Similar ratio
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1.5x scale

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.