Home / 912,042.76-1,258,569.84-504,120.28

Finding the Fourth Proportional to 912,042.76, 1,258,569.84 and 504,120.28

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Solution

The fourth proportional to 912,042.76, 1,258,569.84 and 504,120.28 is: 695,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,042.76 : 1,258,569.84 = 504,120.28 : x
  2. Step 2: Convert to fraction form
    912,042.76/1,258,569.84 = 504,120.28/x
  3. Step 3: Cross multiply
    912,042.76x = 1,258,569.84 × 504,120.28
  4. Step 4: Simplify right side
    912,042.76x = 634,470,580,140.36
  5. Step 5: Solve for x
    x = 634,470,580,140.36/912,042.76
  6. Step 6: Final answer
    x = 695,658.81

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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.