Home / 972,609.49-1,342,425.05-570,331.09

Finding the Fourth Proportional to 972,609.49, 1,342,425.05 and 570,331.09

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Solution

The fourth proportional to 972,609.49, 1,342,425.05 and 570,331.09 is: 787,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,609.49 : 1,342,425.05 = 570,331.09 : x
  2. Step 2: Convert to fraction form
    972,609.49/1,342,425.05 = 570,331.09/x
  3. Step 3: Cross multiply
    972,609.49x = 1,342,425.05 × 570,331.09
  4. Step 4: Simplify right side
    972,609.49x = 765,626,742,009.81
  5. Step 5: Solve for x
    x = 765,626,742,009.81/972,609.49
  6. Step 6: Final answer
    x = 787,188.23

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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.