Home / 942,913.02-1,301,247.54-513,220.98

Finding the Fourth Proportional to 942,913.02, 1,301,247.54 and 513,220.98

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Solution

The fourth proportional to 942,913.02, 1,301,247.54 and 513,220.98 is: 708,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,913.02 : 1,301,247.54 = 513,220.98 : x
  2. Step 2: Convert to fraction form
    942,913.02/1,301,247.54 = 513,220.98/x
  3. Step 3: Cross multiply
    942,913.02x = 1,301,247.54 × 513,220.98
  4. Step 4: Simplify right side
    942,913.02x = 667,827,537,701.39
  5. Step 5: Solve for x
    x = 667,827,537,701.39/942,913.02
  6. Step 6: Final answer
    x = 708,259.96

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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.