Home / 772,364.46-1,157,038.42-366,979.74

Finding the Fourth Proportional to 772,364.46, 1,157,038.42 and 366,979.74

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Solution

The fourth proportional to 772,364.46, 1,157,038.42 and 366,979.74 is: 549,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,364.46 : 1,157,038.42 = 366,979.74 : x
  2. Step 2: Convert to fraction form
    772,364.46/1,157,038.42 = 366,979.74/x
  3. Step 3: Cross multiply
    772,364.46x = 1,157,038.42 × 366,979.74
  4. Step 4: Simplify right side
    772,364.46x = 424,609,658,541.61
  5. Step 5: Solve for x
    x = 424,609,658,541.61/772,364.46
  6. Step 6: Final answer
    x = 549,752.97

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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.