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Finding the Fourth Proportional to 458,599.68, 688,816.26 and 276,594.30

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Solution

The fourth proportional to 458,599.68, 688,816.26 and 276,594.30 is: 415,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,599.68 : 688,816.26 = 276,594.30 : x
  2. Step 2: Convert to fraction form
    458,599.68/688,816.26 = 276,594.30/x
  3. Step 3: Cross multiply
    458,599.68x = 688,816.26 × 276,594.30
  4. Step 4: Simplify right side
    458,599.68x = 190,522,651,263.32
  5. Step 5: Solve for x
    x = 190,522,651,263.32/458,599.68
  6. Step 6: Final answer
    x = 415,444.36

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1.5x scale

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.