Home / 851,056.47-1,174,460.31-469,084.77

Finding the Fourth Proportional to 851,056.47, 1,174,460.31 and 469,084.77

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Solution

The fourth proportional to 851,056.47, 1,174,460.31 and 469,084.77 is: 647,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,056.47 : 1,174,460.31 = 469,084.77 : x
  2. Step 2: Convert to fraction form
    851,056.47/1,174,460.31 = 469,084.77/x
  3. Step 3: Cross multiply
    851,056.47x = 1,174,460.31 × 469,084.77
  4. Step 4: Simplify right side
    851,056.47x = 550,921,444,390.48
  5. Step 5: Solve for x
    x = 550,921,444,390.48/851,056.47
  6. Step 6: Final answer
    x = 647,338.30

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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.