Home / 910,487.70-1,365,913.80-270,790.20

Finding the Fourth Proportional to 910,487.70, 1,365,913.80 and 270,790.20

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Solution

The fourth proportional to 910,487.70, 1,365,913.80 and 270,790.20 is: 406,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,487.70 : 1,365,913.80 = 270,790.20 : x
  2. Step 2: Convert to fraction form
    910,487.70/1,365,913.80 = 270,790.20/x
  3. Step 3: Cross multiply
    910,487.70x = 1,365,913.80 × 270,790.20
  4. Step 4: Simplify right side
    910,487.70x = 369,876,071,084.76
  5. Step 5: Solve for x
    x = 369,876,071,084.76/910,487.70
  6. Step 6: Final answer
    x = 406,239.50

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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.