Home / 786,572.24-1,085,477.16-447,042.80

Finding the Fourth Proportional to 786,572.24, 1,085,477.16 and 447,042.80

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Solution

The fourth proportional to 786,572.24, 1,085,477.16 and 447,042.80 is: 616,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,572.24 : 1,085,477.16 = 447,042.80 : x
  2. Step 2: Convert to fraction form
    786,572.24/1,085,477.16 = 447,042.80/x
  3. Step 3: Cross multiply
    786,572.24x = 1,085,477.16 × 447,042.80
  4. Step 4: Simplify right side
    786,572.24x = 485,254,748,942.45
  5. Step 5: Solve for x
    x = 485,254,748,942.45/786,572.24
  6. Step 6: Final answer
    x = 616,923.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.