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Finding the Fourth Proportional to 504,210.54, 756,313.02 and 290,840.10

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Solution

The fourth proportional to 504,210.54, 756,313.02 and 290,840.10 is: 436,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,210.54 : 756,313.02 = 290,840.10 : x
  2. Step 2: Convert to fraction form
    504,210.54/756,313.02 = 290,840.10/x
  3. Step 3: Cross multiply
    504,210.54x = 756,313.02 × 290,840.10
  4. Step 4: Simplify right side
    504,210.54x = 219,966,154,368.10
  5. Step 5: Solve for x
    x = 219,966,154,368.10/504,210.54
  6. Step 6: Final answer
    x = 436,258.54

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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.