Home / 720,056.55-1,080,080.91-293,590.71

Finding the Fourth Proportional to 720,056.55, 1,080,080.91 and 293,590.71

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Solution

The fourth proportional to 720,056.55, 1,080,080.91 and 293,590.71 is: 440,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,056.55 : 1,080,080.91 = 293,590.71 : x
  2. Step 2: Convert to fraction form
    720,056.55/1,080,080.91 = 293,590.71/x
  3. Step 3: Cross multiply
    720,056.55x = 1,080,080.91 × 293,590.71
  4. Step 4: Simplify right side
    720,056.55x = 317,101,721,224.35
  5. Step 5: Solve for x
    x = 317,101,721,224.35/720,056.55
  6. Step 6: Final answer
    x = 440,384.47

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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.