Home / 502,120.64-692,931.94-275,766.14

Finding the Fourth Proportional to 502,120.64, 692,931.94 and 275,766.14

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Solution

The fourth proportional to 502,120.64, 692,931.94 and 275,766.14 is: 380,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,120.64 : 692,931.94 = 275,766.14 : x
  2. Step 2: Convert to fraction form
    502,120.64/692,931.94 = 275,766.14/x
  3. Step 3: Cross multiply
    502,120.64x = 692,931.94 × 275,766.14
  4. Step 4: Simplify right side
    502,120.64x = 191,087,166,376.51
  5. Step 5: Solve for x
    x = 191,087,166,376.51/502,120.64
  6. Step 6: Final answer
    x = 380,560.27

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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.