Home / 706,675.11-975,384.86-400,930.46

Finding the Fourth Proportional to 706,675.11, 975,384.86 and 400,930.46

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Solution

The fourth proportional to 706,675.11, 975,384.86 and 400,930.46 is: 553,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,675.11 : 975,384.86 = 400,930.46 : x
  2. Step 2: Convert to fraction form
    706,675.11/975,384.86 = 400,930.46/x
  3. Step 3: Cross multiply
    706,675.11x = 975,384.86 × 400,930.46
  4. Step 4: Simplify right side
    706,675.11x = 391,061,497,657.21
  5. Step 5: Solve for x
    x = 391,061,497,657.21/706,675.11
  6. Step 6: Final answer
    x = 553,382.30

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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.