Home / 646,641.77-892,365.03-374,867.01

Finding the Fourth Proportional to 646,641.77, 892,365.03 and 374,867.01

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Solution

The fourth proportional to 646,641.77, 892,365.03 and 374,867.01 is: 517,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,641.77 : 892,365.03 = 374,867.01 : x
  2. Step 2: Convert to fraction form
    646,641.77/892,365.03 = 374,867.01/x
  3. Step 3: Cross multiply
    646,641.77x = 892,365.03 × 374,867.01
  4. Step 4: Simplify right side
    646,641.77x = 334,518,210,624.66
  5. Step 5: Solve for x
    x = 334,518,210,624.66/646,641.77
  6. Step 6: Final answer
    x = 517,316.12

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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.