Home / 705,271.47-973,278.24-382,981.57

Finding the Fourth Proportional to 705,271.47, 973,278.24 and 382,981.57

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Solution

The fourth proportional to 705,271.47, 973,278.24 and 382,981.57 is: 528,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,271.47 : 973,278.24 = 382,981.57 : x
  2. Step 2: Convert to fraction form
    705,271.47/973,278.24 = 382,981.57/x
  3. Step 3: Cross multiply
    705,271.47x = 973,278.24 × 382,981.57
  4. Step 4: Simplify right side
    705,271.47x = 372,747,630,960.97
  5. Step 5: Solve for x
    x = 372,747,630,960.97/705,271.47
  6. Step 6: Final answer
    x = 528,516.53

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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.