Home / 874,836.29-1,312,254.45-209,988.29

Finding the Fourth Proportional to 874,836.29, 1,312,254.45 and 209,988.29

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Solution

The fourth proportional to 874,836.29, 1,312,254.45 and 209,988.29 is: 314,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,836.29 : 1,312,254.45 = 209,988.29 : x
  2. Step 2: Convert to fraction form
    874,836.29/1,312,254.45 = 209,988.29/x
  3. Step 3: Cross multiply
    874,836.29x = 1,312,254.45 × 209,988.29
  4. Step 4: Simplify right side
    874,836.29x = 275,558,071,281.03
  5. Step 5: Solve for x
    x = 275,558,071,281.03/874,836.29
  6. Step 6: Final answer
    x = 314,982.44

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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.