Home / 779,776.08-1,075,641.84-469,462.65

Finding the Fourth Proportional to 779,776.08, 1,075,641.84 and 469,462.65

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Solution

The fourth proportional to 779,776.08, 1,075,641.84 and 469,462.65 is: 647,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,776.08 : 1,075,641.84 = 469,462.65 : x
  2. Step 2: Convert to fraction form
    779,776.08/1,075,641.84 = 469,462.65/x
  3. Step 3: Cross multiply
    779,776.08x = 1,075,641.84 × 469,462.65
  4. Step 4: Simplify right side
    779,776.08x = 504,973,668,657.28
  5. Step 5: Solve for x
    x = 504,973,668,657.28/779,776.08
  6. Step 6: Final answer
    x = 647,588.05

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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.