Home / 570,330.66-786,973.92-315,681.24

Finding the Fourth Proportional to 570,330.66, 786,973.92 and 315,681.24

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Solution

The fourth proportional to 570,330.66, 786,973.92 and 315,681.24 is: 435,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,330.66 : 786,973.92 = 315,681.24 : x
  2. Step 2: Convert to fraction form
    570,330.66/786,973.92 = 315,681.24/x
  3. Step 3: Cross multiply
    570,330.66x = 786,973.92 × 315,681.24
  4. Step 4: Simplify right side
    570,330.66x = 248,432,902,913.26
  5. Step 5: Solve for x
    x = 248,432,902,913.26/570,330.66
  6. Step 6: Final answer
    x = 435,594.51

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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.