Home / 849,688.01-1,274,228.35-280,964.13

Finding the Fourth Proportional to 849,688.01, 1,274,228.35 and 280,964.13

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Solution

The fourth proportional to 849,688.01, 1,274,228.35 and 280,964.13 is: 421,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,688.01 : 1,274,228.35 = 280,964.13 : x
  2. Step 2: Convert to fraction form
    849,688.01/1,274,228.35 = 280,964.13/x
  3. Step 3: Cross multiply
    849,688.01x = 1,274,228.35 × 280,964.13
  4. Step 4: Simplify right side
    849,688.01x = 358,012,454,298.32
  5. Step 5: Solve for x
    x = 358,012,454,298.32/849,688.01
  6. Step 6: Final answer
    x = 421,345.78

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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.