Home / 459,913.66-689,985.46-452,285.28

Finding the Fourth Proportional to 459,913.66, 689,985.46 and 452,285.28

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Solution

The fourth proportional to 459,913.66, 689,985.46 and 452,285.28 is: 678,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,913.66 : 689,985.46 = 452,285.28 : x
  2. Step 2: Convert to fraction form
    459,913.66/689,985.46 = 452,285.28/x
  3. Step 3: Cross multiply
    459,913.66x = 689,985.46 × 452,285.28
  4. Step 4: Simplify right side
    459,913.66x = 312,070,266,972.03
  5. Step 5: Solve for x
    x = 312,070,266,972.03/459,913.66
  6. Step 6: Final answer
    x = 678,540.98

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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.