Home / 760,835.81-1,141,428.67-228,366.92

Finding the Fourth Proportional to 760,835.81, 1,141,428.67 and 228,366.92

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Solution

The fourth proportional to 760,835.81, 1,141,428.67 and 228,366.92 is: 342,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,835.81 : 1,141,428.67 = 228,366.92 : x
  2. Step 2: Convert to fraction form
    760,835.81/1,141,428.67 = 228,366.92/x
  3. Step 3: Cross multiply
    760,835.81x = 1,141,428.67 × 228,366.92
  4. Step 4: Simplify right side
    760,835.81x = 260,664,550,445.70
  5. Step 5: Solve for x
    x = 260,664,550,445.70/760,835.81
  6. Step 6: Final answer
    x = 342,602.89

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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.