Home / 760,645.32-1,141,541.82-520,184.64

Finding the Fourth Proportional to 760,645.32, 1,141,541.82 and 520,184.64

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Solution

The fourth proportional to 760,645.32, 1,141,541.82 and 520,184.64 is: 780,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,645.32 : 1,141,541.82 = 520,184.64 : x
  2. Step 2: Convert to fraction form
    760,645.32/1,141,541.82 = 520,184.64/x
  3. Step 3: Cross multiply
    760,645.32x = 1,141,541.82 × 520,184.64
  4. Step 4: Simplify right side
    760,645.32x = 593,812,520,681.65
  5. Step 5: Solve for x
    x = 593,812,520,681.65/760,645.32
  6. Step 6: Final answer
    x = 780,669.39

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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.