Home / 785,501.07-1,178,251.60-286,865.07

Finding the Fourth Proportional to 785,501.07, 1,178,251.60 and 286,865.07

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Solution

The fourth proportional to 785,501.07, 1,178,251.60 and 286,865.07 is: 430,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,501.07 : 1,178,251.60 = 286,865.07 : x
  2. Step 2: Convert to fraction form
    785,501.07/1,178,251.60 = 286,865.07/x
  3. Step 3: Cross multiply
    785,501.07x = 1,178,251.60 × 286,865.07
  4. Step 4: Simplify right side
    785,501.07x = 337,999,227,711.61
  5. Step 5: Solve for x
    x = 337,999,227,711.61/785,501.07
  6. Step 6: Final answer
    x = 430,297.60

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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.