Home / 847,181.57-1,270,733.47-286,220.93

Finding the Fourth Proportional to 847,181.57, 1,270,733.47 and 286,220.93

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Solution

The fourth proportional to 847,181.57, 1,270,733.47 and 286,220.93 is: 429,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,181.57 : 1,270,733.47 = 286,220.93 : x
  2. Step 2: Convert to fraction form
    847,181.57/1,270,733.47 = 286,220.93/x
  3. Step 3: Cross multiply
    847,181.57x = 1,270,733.47 × 286,220.93
  4. Step 4: Simplify right side
    847,181.57x = 363,710,508,496.31
  5. Step 5: Solve for x
    x = 363,710,508,496.31/847,181.57
  6. Step 6: Final answer
    x = 429,318.25

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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.