Home / 531,742.76-733,813.75-290,025.33

Finding the Fourth Proportional to 531,742.76, 733,813.75 and 290,025.33

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Solution

The fourth proportional to 531,742.76, 733,813.75 and 290,025.33 is: 400,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,742.76 : 733,813.75 = 290,025.33 : x
  2. Step 2: Convert to fraction form
    531,742.76/733,813.75 = 290,025.33/x
  3. Step 3: Cross multiply
    531,742.76x = 733,813.75 × 290,025.33
  4. Step 4: Simplify right side
    531,742.76x = 212,824,574,581.07
  5. Step 5: Solve for x
    x = 212,824,574,581.07/531,742.76
  6. Step 6: Final answer
    x = 400,239.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.