Home / 830,775.42-1,248,764.31-548,281.31

Finding the Fourth Proportional to 830,775.42, 1,248,764.31 and 548,281.31

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Solution

The fourth proportional to 830,775.42, 1,248,764.31 and 548,281.31 is: 824,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,775.42 : 1,248,764.31 = 548,281.31 : x
  2. Step 2: Convert to fraction form
    830,775.42/1,248,764.31 = 548,281.31/x
  3. Step 3: Cross multiply
    830,775.42x = 1,248,764.31 × 548,281.31
  4. Step 4: Simplify right side
    830,775.42x = 684,674,125,524.23
  5. Step 5: Solve for x
    x = 684,674,125,524.23/830,775.42
  6. Step 6: Final answer
    x = 824,138.64

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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.