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Finding the Fourth Proportional to 672,014.57, 927,379.69 and 370,208.57

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Solution

The fourth proportional to 672,014.57, 927,379.69 and 370,208.57 is: 510,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014.57 : 927,379.69 = 370,208.57 : x
  2. Step 2: Convert to fraction form
    672,014.57/927,379.69 = 370,208.57/x
  3. Step 3: Cross multiply
    672,014.57x = 927,379.69 × 370,208.57
  4. Step 4: Simplify right side
    672,014.57x = 343,323,908,881.94
  5. Step 5: Solve for x
    x = 343,323,908,881.94/672,014.57
  6. Step 6: Final answer
    x = 510,887.60

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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.