Home / 559,188.06-771,701.37-317,493.12

Finding the Fourth Proportional to 559,188.06, 771,701.37 and 317,493.12

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Solution

The fourth proportional to 559,188.06, 771,701.37 and 317,493.12 is: 438,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,188.06 : 771,701.37 = 317,493.12 : x
  2. Step 2: Convert to fraction form
    559,188.06/771,701.37 = 317,493.12/x
  3. Step 3: Cross multiply
    559,188.06x = 771,701.37 × 317,493.12
  4. Step 4: Simplify right side
    559,188.06x = 245,009,871,811.07
  5. Step 5: Solve for x
    x = 245,009,871,811.07/559,188.06
  6. Step 6: Final answer
    x = 438,152.91

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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.