Home / 867,320.25-1,196,674.93-499,707.42

Finding the Fourth Proportional to 867,320.25, 1,196,674.93 and 499,707.42

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Solution

The fourth proportional to 867,320.25, 1,196,674.93 and 499,707.42 is: 689,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,320.25 : 1,196,674.93 = 499,707.42 : x
  2. Step 2: Convert to fraction form
    867,320.25/1,196,674.93 = 499,707.42/x
  3. Step 3: Cross multiply
    867,320.25x = 1,196,674.93 × 499,707.42
  4. Step 4: Simplify right side
    867,320.25x = 597,987,341,848.98
  5. Step 5: Solve for x
    x = 597,987,341,848.98/867,320.25
  6. Step 6: Final answer
    x = 689,465.44

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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.