Home / 977,803.41-1,349,431.07-548,083.65

Finding the Fourth Proportional to 977,803.41, 1,349,431.07 and 548,083.65

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Solution

The fourth proportional to 977,803.41, 1,349,431.07 and 548,083.65 is: 756,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,803.41 : 1,349,431.07 = 548,083.65 : x
  2. Step 2: Convert to fraction form
    977,803.41/1,349,431.07 = 548,083.65/x
  3. Step 3: Cross multiply
    977,803.41x = 1,349,431.07 × 548,083.65
  4. Step 4: Simplify right side
    977,803.41x = 739,601,103,528.59
  5. Step 5: Solve for x
    x = 739,601,103,528.59/977,803.41
  6. Step 6: Final answer
    x = 756,390.39

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Double scale
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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.