Home / 774,281.75-1,159,553.78-465,646.16

Finding the Fourth Proportional to 774,281.75, 1,159,553.78 and 465,646.16

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Solution

The fourth proportional to 774,281.75, 1,159,553.78 and 465,646.16 is: 697,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,281.75 : 1,159,553.78 = 465,646.16 : x
  2. Step 2: Convert to fraction form
    774,281.75/1,159,553.78 = 465,646.16/x
  3. Step 3: Cross multiply
    774,281.75x = 1,159,553.78 × 465,646.16
  4. Step 4: Simplify right side
    774,281.75x = 539,941,767,287.31
  5. Step 5: Solve for x
    x = 539,941,767,287.31/774,281.75
  6. Step 6: Final answer
    x = 697,345.34

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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.