Home / 942,866.37-1,300,928.85-555,697.17

Finding the Fourth Proportional to 942,866.37, 1,300,928.85 and 555,697.17

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Solution

The fourth proportional to 942,866.37, 1,300,928.85 and 555,697.17 is: 766,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,866.37 : 1,300,928.85 = 555,697.17 : x
  2. Step 2: Convert to fraction form
    942,866.37/1,300,928.85 = 555,697.17/x
  3. Step 3: Cross multiply
    942,866.37x = 1,300,928.85 × 555,697.17
  4. Step 4: Simplify right side
    942,866.37x = 722,922,480,316.36
  5. Step 5: Solve for x
    x = 722,922,480,316.36/942,866.37
  6. Step 6: Final answer
    x = 766,728.46

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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.