Home / 786,893.04-1,181,520.48-450,313.68

Finding the Fourth Proportional to 786,893.04, 1,181,520.48 and 450,313.68

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Solution

The fourth proportional to 786,893.04, 1,181,520.48 and 450,313.68 is: 676,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,893.04 : 1,181,520.48 = 450,313.68 : x
  2. Step 2: Convert to fraction form
    786,893.04/1,181,520.48 = 450,313.68/x
  3. Step 3: Cross multiply
    786,893.04x = 1,181,520.48 × 450,313.68
  4. Step 4: Simplify right side
    786,893.04x = 532,054,835,344.17
  5. Step 5: Solve for x
    x = 532,054,835,344.17/786,893.04
  6. Step 6: Final answer
    x = 676,146.32

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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.