Home / 942,807.02-1,300,846.11-555,638.36

Finding the Fourth Proportional to 942,807.02, 1,300,846.11 and 555,638.36

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Solution

The fourth proportional to 942,807.02, 1,300,846.11 and 555,638.36 is: 766,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,807.02 : 1,300,846.11 = 555,638.36 : x
  2. Step 2: Convert to fraction form
    942,807.02/1,300,846.11 = 555,638.36/x
  3. Step 3: Cross multiply
    942,807.02x = 1,300,846.11 × 555,638.36
  4. Step 4: Simplify right side
    942,807.02x = 722,799,999,172.78
  5. Step 5: Solve for x
    x = 722,799,999,172.78/942,807.02
  6. Step 6: Final answer
    x = 766,646.82

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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.