Home / 748,185.46-1,032,499.08-421,502.38

Finding the Fourth Proportional to 748,185.46, 1,032,499.08 and 421,502.38

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Solution

The fourth proportional to 748,185.46, 1,032,499.08 and 421,502.38 is: 581,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,185.46 : 1,032,499.08 = 421,502.38 : x
  2. Step 2: Convert to fraction form
    748,185.46/1,032,499.08 = 421,502.38/x
  3. Step 3: Cross multiply
    748,185.46x = 1,032,499.08 × 421,502.38
  4. Step 4: Simplify right side
    748,185.46x = 435,200,819,567.81
  5. Step 5: Solve for x
    x = 435,200,819,567.81/748,185.46
  6. Step 6: Final answer
    x = 581,675.06

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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.