Home / 786,503.48-1,179,689.34-407,015.24

Finding the Fourth Proportional to 786,503.48, 1,179,689.34 and 407,015.24

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Solution

The fourth proportional to 786,503.48, 1,179,689.34 and 407,015.24 is: 610,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,503.48 : 1,179,689.34 = 407,015.24 : x
  2. Step 2: Convert to fraction form
    786,503.48/1,179,689.34 = 407,015.24/x
  3. Step 3: Cross multiply
    786,503.48x = 1,179,689.34 × 407,015.24
  4. Step 4: Simplify right side
    786,503.48x = 480,151,539,845.54
  5. Step 5: Solve for x
    x = 480,151,539,845.54/786,503.48
  6. Step 6: Final answer
    x = 610,488.77

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Double scale
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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.