Home / 915,306.58-1,371,409.82-554,386.87

Finding the Fourth Proportional to 915,306.58, 1,371,409.82 and 554,386.87

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Solution

The fourth proportional to 915,306.58, 1,371,409.82 and 554,386.87 is: 830,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,306.58 : 1,371,409.82 = 554,386.87 : x
  2. Step 2: Convert to fraction form
    915,306.58/1,371,409.82 = 554,386.87/x
  3. Step 3: Cross multiply
    915,306.58x = 1,371,409.82 × 554,386.87
  4. Step 4: Simplify right side
    915,306.58x = 760,291,597,597.06
  5. Step 5: Solve for x
    x = 760,291,597,597.06/915,306.58
  6. Step 6: Final answer
    x = 830,641.46

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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.