Home / 459,077.80-688,616.70-456,125.35

Finding the Fourth Proportional to 459,077.80, 688,616.70 and 456,125.35

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Solution

The fourth proportional to 459,077.80, 688,616.70 and 456,125.35 is: 684,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,077.80 : 688,616.70 = 456,125.35 : x
  2. Step 2: Convert to fraction form
    459,077.80/688,616.70 = 456,125.35/x
  3. Step 3: Cross multiply
    459,077.80x = 688,616.70 × 456,125.35
  4. Step 4: Simplify right side
    459,077.80x = 314,095,533,303.35
  5. Step 5: Solve for x
    x = 314,095,533,303.35/459,077.80
  6. Step 6: Final answer
    x = 684,188.03

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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.