Home / 559,015.11-771,459.64-314,042.85

Finding the Fourth Proportional to 559,015.11, 771,459.64 and 314,042.85

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Solution

The fourth proportional to 559,015.11, 771,459.64 and 314,042.85 is: 433,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,015.11 : 771,459.64 = 314,042.85 : x
  2. Step 2: Convert to fraction form
    559,015.11/771,459.64 = 314,042.85/x
  3. Step 3: Cross multiply
    559,015.11x = 771,459.64 × 314,042.85
  4. Step 4: Simplify right side
    559,015.11x = 242,271,383,220.47
  5. Step 5: Solve for x
    x = 242,271,383,220.47/559,015.11
  6. Step 6: Final answer
    x = 433,389.69

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1.5x scale

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.