Home / 778,854.10-1,168,439.10-442,056.10

Finding the Fourth Proportional to 778,854.10, 1,168,439.10 and 442,056.10

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Solution

The fourth proportional to 778,854.10, 1,168,439.10 and 442,056.10 is: 663,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,854.10 : 1,168,439.10 = 442,056.10 : x
  2. Step 2: Convert to fraction form
    778,854.10/1,168,439.10 = 442,056.10/x
  3. Step 3: Cross multiply
    778,854.10x = 1,168,439.10 × 442,056.10
  4. Step 4: Simplify right side
    778,854.10x = 516,515,631,633.51
  5. Step 5: Solve for x
    x = 516,515,631,633.51/778,854.10
  6. Step 6: Final answer
    x = 663,173.80

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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.