Home / 570,253.44-786,962.88-315,615.36

Finding the Fourth Proportional to 570,253.44, 786,962.88 and 315,615.36

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Solution

The fourth proportional to 570,253.44, 786,962.88 and 315,615.36 is: 435,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,253.44 : 786,962.88 = 315,615.36 : x
  2. Step 2: Convert to fraction form
    570,253.44/786,962.88 = 315,615.36/x
  3. Step 3: Cross multiply
    570,253.44x = 786,962.88 × 315,615.36
  4. Step 4: Simplify right side
    570,253.44x = 248,377,572,677.84
  5. Step 5: Solve for x
    x = 248,377,572,677.84/570,253.44
  6. Step 6: Final answer
    x = 435,556.47

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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.