Home / 772,365.45-1,157,039.91-366,980.76

Finding the Fourth Proportional to 772,365.45, 1,157,039.91 and 366,980.76

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Solution

The fourth proportional to 772,365.45, 1,157,039.91 and 366,980.76 is: 549,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,365.45 : 1,157,039.91 = 366,980.76 : x
  2. Step 2: Convert to fraction form
    772,365.45/1,157,039.91 = 366,980.76/x
  3. Step 3: Cross multiply
    772,365.45x = 1,157,039.91 × 366,980.76
  4. Step 4: Simplify right side
    772,365.45x = 424,611,385,522.13
  5. Step 5: Solve for x
    x = 424,611,385,522.13/772,365.45
  6. Step 6: Final answer
    x = 549,754.50

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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.