Home / 763,505.24-1,053,639.12-423,973.46

Finding the Fourth Proportional to 763,505.24, 1,053,639.12 and 423,973.46

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Solution

The fourth proportional to 763,505.24, 1,053,639.12 and 423,973.46 is: 585,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,505.24 : 1,053,639.12 = 423,973.46 : x
  2. Step 2: Convert to fraction form
    763,505.24/1,053,639.12 = 423,973.46/x
  3. Step 3: Cross multiply
    763,505.24x = 1,053,639.12 × 423,973.46
  4. Step 4: Simplify right side
    763,505.24x = 446,715,023,297.76
  5. Step 5: Solve for x
    x = 446,715,023,297.76/763,505.24
  6. Step 6: Final answer
    x = 585,084.42

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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.