Home / 786,539.95-1,085,508.41-480,795.30

Finding the Fourth Proportional to 786,539.95, 1,085,508.41 and 480,795.30

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Solution

The fourth proportional to 786,539.95, 1,085,508.41 and 480,795.30 is: 663,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,539.95 : 1,085,508.41 = 480,795.30 : x
  2. Step 2: Convert to fraction form
    786,539.95/1,085,508.41 = 480,795.30/x
  3. Step 3: Cross multiply
    786,539.95x = 1,085,508.41 × 480,795.30
  4. Step 4: Simplify right side
    786,539.95x = 521,907,341,638.47
  5. Step 5: Solve for x
    x = 521,907,341,638.47/786,539.95
  6. Step 6: Final answer
    x = 663,548.42

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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.