Home / 745,765.28-1,029,150.80-406,233.52

Finding the Fourth Proportional to 745,765.28, 1,029,150.80 and 406,233.52

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Solution

The fourth proportional to 745,765.28, 1,029,150.80 and 406,233.52 is: 560,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,765.28 : 1,029,150.80 = 406,233.52 : x
  2. Step 2: Convert to fraction form
    745,765.28/1,029,150.80 = 406,233.52/x
  3. Step 3: Cross multiply
    745,765.28x = 1,029,150.80 × 406,233.52
  4. Step 4: Simplify right side
    745,765.28x = 418,075,552,094.82
  5. Step 5: Solve for x
    x = 418,075,552,094.82/745,765.28
  6. Step 6: Final answer
    x = 560,599.38

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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.