Home / 748,082.95-1,032,295.93-421,381.67

Finding the Fourth Proportional to 748,082.95, 1,032,295.93 and 421,381.67

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Solution

The fourth proportional to 748,082.95, 1,032,295.93 and 421,381.67 is: 581,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,082.95 : 1,032,295.93 = 421,381.67 : x
  2. Step 2: Convert to fraction form
    748,082.95/1,032,295.93 = 421,381.67/x
  3. Step 3: Cross multiply
    748,082.95x = 1,032,295.93 × 421,381.67
  4. Step 4: Simplify right side
    748,082.95x = 434,990,581,983.40
  5. Step 5: Solve for x
    x = 434,990,581,983.40/748,082.95
  6. Step 6: Final answer
    x = 581,473.73

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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.