Home / 989,035.20-1,364,869.32-536,326.08

Finding the Fourth Proportional to 989,035.20, 1,364,869.32 and 536,326.08

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Solution

The fourth proportional to 989,035.20, 1,364,869.32 and 536,326.08 is: 740,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,035.20 : 1,364,869.32 = 536,326.08 : x
  2. Step 2: Convert to fraction form
    989,035.20/1,364,869.32 = 536,326.08/x
  3. Step 3: Cross multiply
    989,035.20x = 1,364,869.32 × 536,326.08
  4. Step 4: Simplify right side
    989,035.20x = 732,015,012,107.87
  5. Step 5: Solve for x
    x = 732,015,012,107.87/989,035.20
  6. Step 6: Final answer
    x = 740,130.39

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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.