Home / 989,660.48-1,365,325.42-602,165.24

Finding the Fourth Proportional to 989,660.48, 1,365,325.42 and 602,165.24

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Solution

The fourth proportional to 989,660.48, 1,365,325.42 and 602,165.24 is: 830,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,660.48 : 1,365,325.42 = 602,165.24 : x
  2. Step 2: Convert to fraction form
    989,660.48/1,365,325.42 = 602,165.24/x
  3. Step 3: Cross multiply
    989,660.48x = 1,365,325.42 × 602,165.24
  4. Step 4: Simplify right side
    989,660.48x = 822,151,507,129.39
  5. Step 5: Solve for x
    x = 822,151,507,129.39/989,660.48
  6. Step 6: Final answer
    x = 830,740.97

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Double scale
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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.