Home / 502,035.12-692,813.28-275,685.36

Finding the Fourth Proportional to 502,035.12, 692,813.28 and 275,685.36

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Solution

The fourth proportional to 502,035.12, 692,813.28 and 275,685.36 is: 380,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,035.12 : 692,813.28 = 275,685.36 : x
  2. Step 2: Convert to fraction form
    502,035.12/692,813.28 = 275,685.36/x
  3. Step 3: Cross multiply
    502,035.12x = 692,813.28 × 275,685.36
  4. Step 4: Simplify right side
    502,035.12x = 190,998,478,509.58
  5. Step 5: Solve for x
    x = 190,998,478,509.58/502,035.12
  6. Step 6: Final answer
    x = 380,448.44

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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.