Home / 912,703.72-1,369,057.90-372,959.98

Finding the Fourth Proportional to 912,703.72, 1,369,057.90 and 372,959.98

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Solution

The fourth proportional to 912,703.72, 1,369,057.90 and 372,959.98 is: 559,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,703.72 : 1,369,057.90 = 372,959.98 : x
  2. Step 2: Convert to fraction form
    912,703.72/1,369,057.90 = 372,959.98/x
  3. Step 3: Cross multiply
    912,703.72x = 1,369,057.90 × 372,959.98
  4. Step 4: Simplify right side
    912,703.72x = 510,603,807,002.84
  5. Step 5: Solve for x
    x = 510,603,807,002.84/912,703.72
  6. Step 6: Final answer
    x = 559,440.92

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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.