Home / 869,397.36-1,199,883.96-506,828.40

Finding the Fourth Proportional to 869,397.36, 1,199,883.96 and 506,828.40

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Solution

The fourth proportional to 869,397.36, 1,199,883.96 and 506,828.40 is: 699,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,397.36 : 1,199,883.96 = 506,828.40 : x
  2. Step 2: Convert to fraction form
    869,397.36/1,199,883.96 = 506,828.40/x
  3. Step 3: Cross multiply
    869,397.36x = 1,199,883.96 × 506,828.40
  4. Step 4: Simplify right side
    869,397.36x = 608,135,267,632.46
  5. Step 5: Solve for x
    x = 608,135,267,632.46/869,397.36
  6. Step 6: Final answer
    x = 699,490.58

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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.