Home / 948,533.28-1,308,986.08-518,804.22

Finding the Fourth Proportional to 948,533.28, 1,308,986.08 and 518,804.22

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Solution

The fourth proportional to 948,533.28, 1,308,986.08 and 518,804.22 is: 715,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,533.28 : 1,308,986.08 = 518,804.22 : x
  2. Step 2: Convert to fraction form
    948,533.28/1,308,986.08 = 518,804.22/x
  3. Step 3: Cross multiply
    948,533.28x = 1,308,986.08 × 518,804.22
  4. Step 4: Simplify right side
    948,533.28x = 679,107,502,225.26
  5. Step 5: Solve for x
    x = 679,107,502,225.26/948,533.28
  6. Step 6: Final answer
    x = 715,955.38

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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.