Home / 772,365.46-1,157,039.92-366,980.74

Finding the Fourth Proportional to 772,365.46, 1,157,039.92 and 366,980.74

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Solution

The fourth proportional to 772,365.46, 1,157,039.92 and 366,980.74 is: 549,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,365.46 : 1,157,039.92 = 366,980.74 : x
  2. Step 2: Convert to fraction form
    772,365.46/1,157,039.92 = 366,980.74/x
  3. Step 3: Cross multiply
    772,365.46x = 1,157,039.92 × 366,980.74
  4. Step 4: Simplify right side
    772,365.46x = 424,611,366,051.14
  5. Step 5: Solve for x
    x = 424,611,366,051.14/772,365.46
  6. Step 6: Final answer
    x = 549,754.47

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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.