Home / 711,018.54-1,066,528.89-284,746.32

Finding the Fourth Proportional to 711,018.54, 1,066,528.89 and 284,746.32

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Solution

The fourth proportional to 711,018.54, 1,066,528.89 and 284,746.32 is: 427,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,018.54 : 1,066,528.89 = 284,746.32 : x
  2. Step 2: Convert to fraction form
    711,018.54/1,066,528.89 = 284,746.32/x
  3. Step 3: Cross multiply
    711,018.54x = 1,066,528.89 × 284,746.32
  4. Step 4: Simplify right side
    711,018.54x = 303,690,176,601.19
  5. Step 5: Solve for x
    x = 303,690,176,601.19/711,018.54
  6. Step 6: Final answer
    x = 427,119.91

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Similar ratio
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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.