Home / 704,868.15-972,715.58-382,578.23

Finding the Fourth Proportional to 704,868.15, 972,715.58 and 382,578.23

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Solution

The fourth proportional to 704,868.15, 972,715.58 and 382,578.23 is: 527,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,868.15 : 972,715.58 = 382,578.23 : x
  2. Step 2: Convert to fraction form
    704,868.15/972,715.58 = 382,578.23/x
  3. Step 3: Cross multiply
    704,868.15x = 972,715.58 × 382,578.23
  4. Step 4: Simplify right side
    704,868.15x = 372,139,798,113.35
  5. Step 5: Solve for x
    x = 372,139,798,113.35/704,868.15
  6. Step 6: Final answer
    x = 527,956.61

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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.