Home / 884,423.16-1,220,536.89-502,514.64

Finding the Fourth Proportional to 884,423.16, 1,220,536.89 and 502,514.64

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Solution

The fourth proportional to 884,423.16, 1,220,536.89 and 502,514.64 is: 693,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,423.16 : 1,220,536.89 = 502,514.64 : x
  2. Step 2: Convert to fraction form
    884,423.16/1,220,536.89 = 502,514.64/x
  3. Step 3: Cross multiply
    884,423.16x = 1,220,536.89 × 502,514.64
  4. Step 4: Simplify right side
    884,423.16x = 613,337,655,885.07
  5. Step 5: Solve for x
    x = 613,337,655,885.07/884,423.16
  6. Step 6: Final answer
    x = 693,488.91

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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.