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Finding the Fourth Proportional to 679,377.59, 937,552.71 and 373,466.86

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Solution

The fourth proportional to 679,377.59, 937,552.71 and 373,466.86 is: 515,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,377.59 : 937,552.71 = 373,466.86 : x
  2. Step 2: Convert to fraction form
    679,377.59/937,552.71 = 373,466.86/x
  3. Step 3: Cross multiply
    679,377.59x = 937,552.71 × 373,466.86
  4. Step 4: Simplify right side
    679,377.59x = 350,144,866,688.19
  5. Step 5: Solve for x
    x = 350,144,866,688.19/679,377.59
  6. Step 6: Final answer
    x = 515,390.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.