Home / 783,952.32-1,175,548.08-459,828.96

Finding the Fourth Proportional to 783,952.32, 1,175,548.08 and 459,828.96

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Solution

The fourth proportional to 783,952.32, 1,175,548.08 and 459,828.96 is: 689,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,952.32 : 1,175,548.08 = 459,828.96 : x
  2. Step 2: Convert to fraction form
    783,952.32/1,175,548.08 = 459,828.96/x
  3. Step 3: Cross multiply
    783,952.32x = 1,175,548.08 × 459,828.96
  4. Step 4: Simplify right side
    783,952.32x = 540,551,051,056.40
  5. Step 5: Solve for x
    x = 540,551,051,056.40/783,952.32
  6. Step 6: Final answer
    x = 689,520.32

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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.