Home / 897,140.12-1,345,703.74-328,560.20

Finding the Fourth Proportional to 897,140.12, 1,345,703.74 and 328,560.20

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Solution

The fourth proportional to 897,140.12, 1,345,703.74 and 328,560.20 is: 492,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,140.12 : 1,345,703.74 = 328,560.20 : x
  2. Step 2: Convert to fraction form
    897,140.12/1,345,703.74 = 328,560.20/x
  3. Step 3: Cross multiply
    897,140.12x = 1,345,703.74 × 328,560.20
  4. Step 4: Simplify right side
    897,140.12x = 442,144,689,955.15
  5. Step 5: Solve for x
    x = 442,144,689,955.15/897,140.12
  6. Step 6: Final answer
    x = 492,837.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.