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Finding the Fourth Proportional to 475,590.42, 713,386.98 and 120,604.68

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Solution

The fourth proportional to 475,590.42, 713,386.98 and 120,604.68 is: 180,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,590.42 : 713,386.98 = 120,604.68 : x
  2. Step 2: Convert to fraction form
    475,590.42/713,386.98 = 120,604.68/x
  3. Step 3: Cross multiply
    475,590.42x = 713,386.98 × 120,604.68
  4. Step 4: Simplify right side
    475,590.42x = 86,037,808,439.07
  5. Step 5: Solve for x
    x = 86,037,808,439.07/475,590.42
  6. Step 6: Final answer
    x = 180,907.36

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1.5x scale

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.