Home / 847,227.10-1,270,840.65-286,261.60

Finding the Fourth Proportional to 847,227.10, 1,270,840.65 and 286,261.60

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Solution

The fourth proportional to 847,227.10, 1,270,840.65 and 286,261.60 is: 429,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,227.10 : 1,270,840.65 = 286,261.60 : x
  2. Step 2: Convert to fraction form
    847,227.10/1,270,840.65 = 286,261.60/x
  3. Step 3: Cross multiply
    847,227.10x = 1,270,840.65 × 286,261.60
  4. Step 4: Simplify right side
    847,227.10x = 363,792,877,814.04
  5. Step 5: Solve for x
    x = 363,792,877,814.04/847,227.10
  6. Step 6: Final answer
    x = 429,392.40

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Similar ratio
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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.