Home / 948,068.85-1,308,347.43-518,349.48

Finding the Fourth Proportional to 948,068.85, 1,308,347.43 and 518,349.48

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Solution

The fourth proportional to 948,068.85, 1,308,347.43 and 518,349.48 is: 715,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,068.85 : 1,308,347.43 = 518,349.48 : x
  2. Step 2: Convert to fraction form
    948,068.85/1,308,347.43 = 518,349.48/x
  3. Step 3: Cross multiply
    948,068.85x = 1,308,347.43 × 518,349.48
  4. Step 4: Simplify right side
    948,068.85x = 678,181,209,999.84
  5. Step 5: Solve for x
    x = 678,181,209,999.84/948,068.85
  6. Step 6: Final answer
    x = 715,329.07

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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.