Home / 977,561.85-1,349,089.25-547,979.97

Finding the Fourth Proportional to 977,561.85, 1,349,089.25 and 547,979.97

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Solution

The fourth proportional to 977,561.85, 1,349,089.25 and 547,979.97 is: 756,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,561.85 : 1,349,089.25 = 547,979.97 : x
  2. Step 2: Convert to fraction form
    977,561.85/1,349,089.25 = 547,979.97/x
  3. Step 3: Cross multiply
    977,561.85x = 1,349,089.25 × 547,979.97
  4. Step 4: Simplify right side
    977,561.85x = 739,273,886,742.32
  5. Step 5: Solve for x
    x = 739,273,886,742.32/977,561.85
  6. Step 6: Final answer
    x = 756,242.57

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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.