Home / 648,332.02-972,840.66-460,009.45

Finding the Fourth Proportional to 648,332.02, 972,840.66 and 460,009.45

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Solution

The fourth proportional to 648,332.02, 972,840.66 and 460,009.45 is: 690,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,332.02 : 972,840.66 = 460,009.45 : x
  2. Step 2: Convert to fraction form
    648,332.02/972,840.66 = 460,009.45/x
  3. Step 3: Cross multiply
    648,332.02x = 972,840.66 × 460,009.45
  4. Step 4: Simplify right side
    648,332.02x = 447,515,889,779.99
  5. Step 5: Solve for x
    x = 447,515,889,779.99/648,332.02
  6. Step 6: Final answer
    x = 690,257.27

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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.