Home / 559,708.04-772,397.34-317,991.01

Finding the Fourth Proportional to 559,708.04, 772,397.34 and 317,991.01

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Solution

The fourth proportional to 559,708.04, 772,397.34 and 317,991.01 is: 438,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,708.04 : 772,397.34 = 317,991.01 : x
  2. Step 2: Convert to fraction form
    559,708.04/772,397.34 = 317,991.01/x
  3. Step 3: Cross multiply
    559,708.04x = 772,397.34 × 317,991.01
  4. Step 4: Simplify right side
    559,708.04x = 245,615,406,405.93
  5. Step 5: Solve for x
    x = 245,615,406,405.93/559,708.04
  6. Step 6: Final answer
    x = 438,827.73

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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.