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Finding the Fourth Proportional to 672,019.47, 927,386.55 and 370,213.47

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Solution

The fourth proportional to 672,019.47, 927,386.55 and 370,213.47 is: 510,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,019.47 : 927,386.55 = 370,213.47 : x
  2. Step 2: Convert to fraction form
    672,019.47/927,386.55 = 370,213.47/x
  3. Step 3: Cross multiply
    672,019.47x = 927,386.55 × 370,213.47
  4. Step 4: Simplify right side
    672,019.47x = 343,330,992,706.83
  5. Step 5: Solve for x
    x = 343,330,992,706.83/672,019.47
  6. Step 6: Final answer
    x = 510,894.41

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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.