Home / 830,776.42-1,248,765.81-548,282.31

Finding the Fourth Proportional to 830,776.42, 1,248,765.81 and 548,282.31

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Solution

The fourth proportional to 830,776.42, 1,248,765.81 and 548,282.31 is: 824,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,776.42 : 1,248,765.81 = 548,282.31 : x
  2. Step 2: Convert to fraction form
    830,776.42/1,248,765.81 = 548,282.31/x
  3. Step 3: Cross multiply
    830,776.42x = 1,248,765.81 × 548,282.31
  4. Step 4: Simplify right side
    830,776.42x = 684,676,202,955.82
  5. Step 5: Solve for x
    x = 684,676,202,955.82/830,776.42
  6. Step 6: Final answer
    x = 824,140.15

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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.