Home / 786,115.58-1,084,877.95-442,059.77

Finding the Fourth Proportional to 786,115.58, 1,084,877.95 and 442,059.77

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Solution

The fourth proportional to 786,115.58, 1,084,877.95 and 442,059.77 is: 610,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,115.58 : 1,084,877.95 = 442,059.77 : x
  2. Step 2: Convert to fraction form
    786,115.58/1,084,877.95 = 442,059.77/x
  3. Step 3: Cross multiply
    786,115.58x = 1,084,877.95 × 442,059.77
  4. Step 4: Simplify right side
    786,115.58x = 479,580,898,662.12
  5. Step 5: Solve for x
    x = 479,580,898,662.12/786,115.58
  6. Step 6: Final answer
    x = 610,064.11

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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.