Home / 710,345.36-1,065,938.40-261,381.49

Finding the Fourth Proportional to 710,345.36, 1,065,938.40 and 261,381.49

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Solution

The fourth proportional to 710,345.36, 1,065,938.40 and 261,381.49 is: 392,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,345.36 : 1,065,938.40 = 261,381.49 : x
  2. Step 2: Convert to fraction form
    710,345.36/1,065,938.40 = 261,381.49/x
  3. Step 3: Cross multiply
    710,345.36x = 1,065,938.40 × 261,381.49
  4. Step 4: Simplify right side
    710,345.36x = 278,616,564,575.37
  5. Step 5: Solve for x
    x = 278,616,564,575.37/710,345.36
  6. Step 6: Final answer
    x = 392,226.91

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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.