Home / 510,436.80-764,799.84-360,428.04

Finding the Fourth Proportional to 510,436.80, 764,799.84 and 360,428.04

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Solution

The fourth proportional to 510,436.80, 764,799.84 and 360,428.04 is: 540,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,436.80 : 764,799.84 = 360,428.04 : x
  2. Step 2: Convert to fraction form
    510,436.80/764,799.84 = 360,428.04/x
  3. Step 3: Cross multiply
    510,436.80x = 764,799.84 × 360,428.04
  4. Step 4: Simplify right side
    510,436.80x = 275,655,307,323.51
  5. Step 5: Solve for x
    x = 275,655,307,323.51/510,436.80
  6. Step 6: Final answer
    x = 540,038.08

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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.