Home / 840,286.53-1,159,590.08-477,710.48

Finding the Fourth Proportional to 840,286.53, 1,159,590.08 and 477,710.48

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Solution

The fourth proportional to 840,286.53, 1,159,590.08 and 477,710.48 is: 659,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,286.53 : 1,159,590.08 = 477,710.48 : x
  2. Step 2: Convert to fraction form
    840,286.53/1,159,590.08 = 477,710.48/x
  3. Step 3: Cross multiply
    840,286.53x = 1,159,590.08 × 477,710.48
  4. Step 4: Simplify right side
    840,286.53x = 553,948,337,813.29
  5. Step 5: Solve for x
    x = 553,948,337,813.29/840,286.53
  6. Step 6: Final answer
    x = 659,237.44

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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.