Home / 760,930.20-1,141,406.64-361,612.08

Finding the Fourth Proportional to 760,930.20, 1,141,406.64 and 361,612.08

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Solution

The fourth proportional to 760,930.20, 1,141,406.64 and 361,612.08 is: 542,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,930.20 : 1,141,406.64 = 361,612.08 : x
  2. Step 2: Convert to fraction form
    760,930.20/1,141,406.64 = 361,612.08/x
  3. Step 3: Cross multiply
    760,930.20x = 1,141,406.64 × 361,612.08
  4. Step 4: Simplify right side
    760,930.20x = 412,746,429,216.21
  5. Step 5: Solve for x
    x = 412,746,429,216.21/760,930.20
  6. Step 6: Final answer
    x = 542,423.51

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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.