Home / 947,555.69-1,307,624.72-539,657.51

Finding the Fourth Proportional to 947,555.69, 1,307,624.72 and 539,657.51

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Solution

The fourth proportional to 947,555.69, 1,307,624.72 and 539,657.51 is: 744,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,555.69 : 1,307,624.72 = 539,657.51 : x
  2. Step 2: Convert to fraction form
    947,555.69/1,307,624.72 = 539,657.51/x
  3. Step 3: Cross multiply
    947,555.69x = 1,307,624.72 × 539,657.51
  4. Step 4: Simplify right side
    947,555.69x = 705,669,491,173.24
  5. Step 5: Solve for x
    x = 705,669,491,173.24/947,555.69
  6. Step 6: Final answer
    x = 744,726.14

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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.