Home / 789,070.10-1,182,827.55-389,383.70

Finding the Fourth Proportional to 789,070.10, 1,182,827.55 and 389,383.70

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Solution

The fourth proportional to 789,070.10, 1,182,827.55 and 389,383.70 is: 583,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,070.10 : 1,182,827.55 = 389,383.70 : x
  2. Step 2: Convert to fraction form
    789,070.10/1,182,827.55 = 389,383.70/x
  3. Step 3: Cross multiply
    789,070.10x = 1,182,827.55 × 389,383.70
  4. Step 4: Simplify right side
    789,070.10x = 460,573,767,880.94
  5. Step 5: Solve for x
    x = 460,573,767,880.94/789,070.10
  6. Step 6: Final answer
    x = 583,691.83

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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.