Home / 830,720.74-1,248,682.21-548,226.64

Finding the Fourth Proportional to 830,720.74, 1,248,682.21 and 548,226.64

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Solution

The fourth proportional to 830,720.74, 1,248,682.21 and 548,226.64 is: 824,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,720.74 : 1,248,682.21 = 548,226.64 : x
  2. Step 2: Convert to fraction form
    830,720.74/1,248,682.21 = 548,226.64/x
  3. Step 3: Cross multiply
    830,720.74x = 1,248,682.21 × 548,226.64
  4. Step 4: Simplify right side
    830,720.74x = 684,560,852,416.07
  5. Step 5: Solve for x
    x = 684,560,852,416.07/830,720.74
  6. Step 6: Final answer
    x = 824,056.53

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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.