Home / 977,485.52-1,348,929.08-547,768.71

Finding the Fourth Proportional to 977,485.52, 1,348,929.08 and 547,768.71

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Solution

The fourth proportional to 977,485.52, 1,348,929.08 and 547,768.71 is: 755,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,485.52 : 1,348,929.08 = 547,768.71 : x
  2. Step 2: Convert to fraction form
    977,485.52/1,348,929.08 = 547,768.71/x
  3. Step 3: Cross multiply
    977,485.52x = 1,348,929.08 × 547,768.71
  4. Step 4: Simplify right side
    977,485.52x = 738,901,141,348.38
  5. Step 5: Solve for x
    x = 738,901,141,348.38/977,485.52
  6. Step 6: Final answer
    x = 755,920.29

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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.