Home / 977,627.87-1,349,105.79-547,898.77

Finding the Fourth Proportional to 977,627.87, 1,349,105.79 and 547,898.77

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Solution

The fourth proportional to 977,627.87, 1,349,105.79 and 547,898.77 is: 756,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,627.87 : 1,349,105.79 = 547,898.77 : x
  2. Step 2: Convert to fraction form
    977,627.87/1,349,105.79 = 547,898.77/x
  3. Step 3: Cross multiply
    977,627.87x = 1,349,105.79 × 547,898.77
  4. Step 4: Simplify right side
    977,627.87x = 739,173,402,940.88
  5. Step 5: Solve for x
    x = 739,173,402,940.88/977,627.87
  6. Step 6: Final answer
    x = 756,088.72

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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.