Home / 690,835.32-1,036,392.66-291,477.06

Finding the Fourth Proportional to 690,835.32, 1,036,392.66 and 291,477.06

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Solution

The fourth proportional to 690,835.32, 1,036,392.66 and 291,477.06 is: 437,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835.32 : 1,036,392.66 = 291,477.06 : x
  2. Step 2: Convert to fraction form
    690,835.32/1,036,392.66 = 291,477.06/x
  3. Step 3: Cross multiply
    690,835.32x = 1,036,392.66 × 291,477.06
  4. Step 4: Simplify right side
    690,835.32x = 302,084,685,542.38
  5. Step 5: Solve for x
    x = 302,084,685,542.38/690,835.32
  6. Step 6: Final answer
    x = 437,274.52

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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.