Home / 648,412.60-972,158.10-293,596.60

Finding the Fourth Proportional to 648,412.60, 972,158.10 and 293,596.60

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Solution

The fourth proportional to 648,412.60, 972,158.10 and 293,596.60 is: 440,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,412.60 : 972,158.10 = 293,596.60 : x
  2. Step 2: Convert to fraction form
    648,412.60/972,158.10 = 293,596.60/x
  3. Step 3: Cross multiply
    648,412.60x = 972,158.10 × 293,596.60
  4. Step 4: Simplify right side
    648,412.60x = 285,422,312,822.46
  5. Step 5: Solve for x
    x = 285,422,312,822.46/648,412.60
  6. Step 6: Final answer
    x = 440,186.25

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1.5x scale

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.