Home / 874,872.34-1,207,323.86-472,464.34

Finding the Fourth Proportional to 874,872.34, 1,207,323.86 and 472,464.34

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Solution

The fourth proportional to 874,872.34, 1,207,323.86 and 472,464.34 is: 652,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,872.34 : 1,207,323.86 = 472,464.34 : x
  2. Step 2: Convert to fraction form
    874,872.34/1,207,323.86 = 472,464.34/x
  3. Step 3: Cross multiply
    874,872.34x = 1,207,323.86 × 472,464.34
  4. Step 4: Simplify right side
    874,872.34x = 570,417,470,681.15
  5. Step 5: Solve for x
    x = 570,417,470,681.15/874,872.34
  6. Step 6: Final answer
    x = 652,000.81

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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.