Home / 761,319.99-1,142,084.88-255,920.22

Finding the Fourth Proportional to 761,319.99, 1,142,084.88 and 255,920.22

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Solution

The fourth proportional to 761,319.99, 1,142,084.88 and 255,920.22 is: 383,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,319.99 : 1,142,084.88 = 255,920.22 : x
  2. Step 2: Convert to fraction form
    761,319.99/1,142,084.88 = 255,920.22/x
  3. Step 3: Cross multiply
    761,319.99x = 1,142,084.88 × 255,920.22
  4. Step 4: Simplify right side
    761,319.99x = 292,282,613,748.27
  5. Step 5: Solve for x
    x = 292,282,613,748.27/761,319.99
  6. Step 6: Final answer
    x = 383,915.59

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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.