Home / 760,740.47-1,141,221.98-228,303.57

Finding the Fourth Proportional to 760,740.47, 1,141,221.98 and 228,303.57

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Solution

The fourth proportional to 760,740.47, 1,141,221.98 and 228,303.57 is: 342,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,740.47 : 1,141,221.98 = 228,303.57 : x
  2. Step 2: Convert to fraction form
    760,740.47/1,141,221.98 = 228,303.57/x
  3. Step 3: Cross multiply
    760,740.47x = 1,141,221.98 × 228,303.57
  4. Step 4: Simplify right side
    760,740.47x = 260,545,052,196.47
  5. Step 5: Solve for x
    x = 260,545,052,196.47/760,740.47
  6. Step 6: Final answer
    x = 342,488.75

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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.