Home / 977,308.06-1,348,668.21-547,586.86

Finding the Fourth Proportional to 977,308.06, 1,348,668.21 and 547,586.86

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Solution

The fourth proportional to 977,308.06, 1,348,668.21 and 547,586.86 is: 755,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,308.06 : 1,348,668.21 = 547,586.86 : x
  2. Step 2: Convert to fraction form
    977,308.06/1,348,668.21 = 547,586.86/x
  3. Step 3: Cross multiply
    977,308.06x = 1,348,668.21 × 547,586.86
  4. Step 4: Simplify right side
    977,308.06x = 738,512,990,295.72
  5. Step 5: Solve for x
    x = 738,512,990,295.72/977,308.06
  6. Step 6: Final answer
    x = 755,660.39

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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.