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Finding the Fourth Proportional to 520,084.02, 717,730.16 and 293,729.52

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Solution

The fourth proportional to 520,084.02, 717,730.16 and 293,729.52 is: 405,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,084.02 : 717,730.16 = 293,729.52 : x
  2. Step 2: Convert to fraction form
    520,084.02/717,730.16 = 293,729.52/x
  3. Step 3: Cross multiply
    520,084.02x = 717,730.16 × 293,729.52
  4. Step 4: Simplify right side
    520,084.02x = 210,818,535,386.32
  5. Step 5: Solve for x
    x = 210,818,535,386.32/520,084.02
  6. Step 6: Final answer
    x = 405,354.76

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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.