Home / 977,117.26-1,348,421.80-547,397.26

Finding the Fourth Proportional to 977,117.26, 1,348,421.80 and 547,397.26

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Solution

The fourth proportional to 977,117.26, 1,348,421.80 and 547,397.26 is: 755,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,117.26 : 1,348,421.80 = 547,397.26 : x
  2. Step 2: Convert to fraction form
    977,117.26/1,348,421.80 = 547,397.26/x
  3. Step 3: Cross multiply
    977,117.26x = 1,348,421.80 × 547,397.26
  4. Step 4: Simplify right side
    977,117.26x = 738,122,398,644.27
  5. Step 5: Solve for x
    x = 738,122,398,644.27/977,117.26
  6. Step 6: Final answer
    x = 755,408.21

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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.