Home / 772,004.70-1,158,007.05-477,092.70

Finding the Fourth Proportional to 772,004.70, 1,158,007.05 and 477,092.70

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Solution

The fourth proportional to 772,004.70, 1,158,007.05 and 477,092.70 is: 715,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,004.70 : 1,158,007.05 = 477,092.70 : x
  2. Step 2: Convert to fraction form
    772,004.70/1,158,007.05 = 477,092.70/x
  3. Step 3: Cross multiply
    772,004.70x = 1,158,007.05 × 477,092.70
  4. Step 4: Simplify right side
    772,004.70x = 552,476,710,103.54
  5. Step 5: Solve for x
    x = 552,476,710,103.54/772,004.70
  6. Step 6: Final answer
    x = 715,639.05

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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.