Home / 947,897.40-1,307,952.09-539,947.40

Finding the Fourth Proportional to 947,897.40, 1,307,952.09 and 539,947.40

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Solution

The fourth proportional to 947,897.40, 1,307,952.09 and 539,947.40 is: 745,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,897.40 : 1,307,952.09 = 539,947.40 : x
  2. Step 2: Convert to fraction form
    947,897.40/1,307,952.09 = 539,947.40/x
  3. Step 3: Cross multiply
    947,897.40x = 1,307,952.09 × 539,947.40
  4. Step 4: Simplify right side
    947,897.40x = 706,225,338,933.38
  5. Step 5: Solve for x
    x = 706,225,338,933.38/947,897.40
  6. Step 6: Final answer
    x = 745,044.07

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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.