Home / 989,480.16-1,365,482.04-536,771.16

Finding the Fourth Proportional to 989,480.16, 1,365,482.04 and 536,771.16

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Solution

The fourth proportional to 989,480.16, 1,365,482.04 and 536,771.16 is: 740,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,480.16 : 1,365,482.04 = 536,771.16 : x
  2. Step 2: Convert to fraction form
    989,480.16/1,365,482.04 = 536,771.16/x
  3. Step 3: Cross multiply
    989,480.16x = 1,365,482.04 × 536,771.16
  4. Step 4: Simplify right side
    989,480.16x = 732,951,378,569.97
  5. Step 5: Solve for x
    x = 732,951,378,569.97/989,480.16
  6. Step 6: Final answer
    x = 740,743.89

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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.