Home / 459,085.80-688,628.70-456,133.35

Finding the Fourth Proportional to 459,085.80, 688,628.70 and 456,133.35

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Solution

The fourth proportional to 459,085.80, 688,628.70 and 456,133.35 is: 684,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,085.80 : 688,628.70 = 456,133.35 : x
  2. Step 2: Convert to fraction form
    459,085.80/688,628.70 = 456,133.35/x
  3. Step 3: Cross multiply
    459,085.80x = 688,628.70 × 456,133.35
  4. Step 4: Simplify right side
    459,085.80x = 314,106,515,837.15
  5. Step 5: Solve for x
    x = 314,106,515,837.15/459,085.80
  6. Step 6: Final answer
    x = 684,200.03

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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.