Home / 695,864.79-1,044,126.45-380,312.28

Finding the Fourth Proportional to 695,864.79, 1,044,126.45 and 380,312.28

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Solution

The fourth proportional to 695,864.79, 1,044,126.45 and 380,312.28 is: 570,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,864.79 : 1,044,126.45 = 380,312.28 : x
  2. Step 2: Convert to fraction form
    695,864.79/1,044,126.45 = 380,312.28/x
  3. Step 3: Cross multiply
    695,864.79x = 1,044,126.45 × 380,312.28
  4. Step 4: Simplify right side
    695,864.79x = 397,094,110,807.81
  5. Step 5: Solve for x
    x = 397,094,110,807.81/695,864.79
  6. Step 6: Final answer
    x = 570,648.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.