Home / 760,815.45-1,051,018.94-607,652.55

Finding the Fourth Proportional to 760,815.45, 1,051,018.94 and 607,652.55

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Solution

The fourth proportional to 760,815.45, 1,051,018.94 and 607,652.55 is: 839,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,815.45 : 1,051,018.94 = 607,652.55 : x
  2. Step 2: Convert to fraction form
    760,815.45/1,051,018.94 = 607,652.55/x
  3. Step 3: Cross multiply
    760,815.45x = 1,051,018.94 × 607,652.55
  4. Step 4: Simplify right side
    760,815.45x = 638,654,340,508.43
  5. Step 5: Solve for x
    x = 638,654,340,508.43/760,815.45
  6. Step 6: Final answer
    x = 839,433.98

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1.5x scale

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.