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Finding the Fourth Proportional to 586,657.08, 879,985.62 and 306,108.72

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Solution

The fourth proportional to 586,657.08, 879,985.62 and 306,108.72 is: 459,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,657.08 : 879,985.62 = 306,108.72 : x
  2. Step 2: Convert to fraction form
    586,657.08/879,985.62 = 306,108.72/x
  3. Step 3: Cross multiply
    586,657.08x = 879,985.62 × 306,108.72
  4. Step 4: Simplify right side
    586,657.08x = 269,371,271,756.61
  5. Step 5: Solve for x
    x = 269,371,271,756.61/586,657.08
  6. Step 6: Final answer
    x = 459,163.08

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Similar ratio
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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.