Home / 638,050.04-880,548.38-351,570.08

Finding the Fourth Proportional to 638,050.04, 880,548.38 and 351,570.08

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Solution

The fourth proportional to 638,050.04, 880,548.38 and 351,570.08 is: 485,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,050.04 : 880,548.38 = 351,570.08 : x
  2. Step 2: Convert to fraction form
    638,050.04/880,548.38 = 351,570.08/x
  3. Step 3: Cross multiply
    638,050.04x = 880,548.38 × 351,570.08
  4. Step 4: Simplify right side
    638,050.04x = 309,574,464,400.47
  5. Step 5: Solve for x
    x = 309,574,464,400.47/638,050.04
  6. Step 6: Final answer
    x = 485,188.38

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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.