Home / 459,098.80-688,648.20-456,146.35

Finding the Fourth Proportional to 459,098.80, 688,648.20 and 456,146.35

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Solution

The fourth proportional to 459,098.80, 688,648.20 and 456,146.35 is: 684,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,098.80 : 688,648.20 = 456,146.35 : x
  2. Step 2: Convert to fraction form
    459,098.80/688,648.20 = 456,146.35/x
  3. Step 3: Cross multiply
    459,098.80x = 688,648.20 × 456,146.35
  4. Step 4: Simplify right side
    459,098.80x = 314,124,362,864.07
  5. Step 5: Solve for x
    x = 314,124,362,864.07/459,098.80
  6. Step 6: Final answer
    x = 684,219.53

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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.