Home / 778,973.93-1,075,163.39-456,787.83

Finding the Fourth Proportional to 778,973.93, 1,075,163.39 and 456,787.83

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Solution

The fourth proportional to 778,973.93, 1,075,163.39 and 456,787.83 is: 630,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,973.93 : 1,075,163.39 = 456,787.83 : x
  2. Step 2: Convert to fraction form
    778,973.93/1,075,163.39 = 456,787.83/x
  3. Step 3: Cross multiply
    778,973.93x = 1,075,163.39 × 456,787.83
  4. Step 4: Simplify right side
    778,973.93x = 491,121,547,210.70
  5. Step 5: Solve for x
    x = 491,121,547,210.70/778,973.93
  6. Step 6: Final answer
    x = 630,472.38

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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.