Home / 760,662.42-1,141,232.39-457,405.71

Finding the Fourth Proportional to 760,662.42, 1,141,232.39 and 457,405.71

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Solution

The fourth proportional to 760,662.42, 1,141,232.39 and 457,405.71 is: 686,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,662.42 : 1,141,232.39 = 457,405.71 : x
  2. Step 2: Convert to fraction form
    760,662.42/1,141,232.39 = 457,405.71/x
  3. Step 3: Cross multiply
    760,662.42x = 1,141,232.39 × 457,405.71
  4. Step 4: Simplify right side
    760,662.42x = 522,006,209,335.92
  5. Step 5: Solve for x
    x = 522,006,209,335.92/760,662.42
  6. Step 6: Final answer
    x = 686,252.13

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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.