Home / 760,769.20-1,141,152.72-228,289.36

Finding the Fourth Proportional to 760,769.20, 1,141,152.72 and 228,289.36

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Solution

The fourth proportional to 760,769.20, 1,141,152.72 and 228,289.36 is: 342,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,769.20 : 1,141,152.72 = 228,289.36 : x
  2. Step 2: Convert to fraction form
    760,769.20/1,141,152.72 = 228,289.36/x
  3. Step 3: Cross multiply
    760,769.20x = 1,141,152.72 × 228,289.36
  4. Step 4: Simplify right side
    760,769.20x = 260,513,024,111.06
  5. Step 5: Solve for x
    x = 260,513,024,111.06/760,769.20
  6. Step 6: Final answer
    x = 342,433.72

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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.