Home / 646,436.12-968,332.26-526,919

Finding the Fourth Proportional to 646,436.12, 968,332.26 and 526,919

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Solution

The fourth proportional to 646,436.12, 968,332.26 and 526,919 is: 789,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,436.12 : 968,332.26 = 526,919 : x
  2. Step 2: Convert to fraction form
    646,436.12/968,332.26 = 526,919/x
  3. Step 3: Cross multiply
    646,436.12x = 968,332.26 × 526,919
  4. Step 4: Simplify right side
    646,436.12x = 510,232,666,106.94
  5. Step 5: Solve for x
    x = 510,232,666,106.94/646,436.12
  6. Step 6: Final answer
    x = 789,300.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.