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Finding the Fourth Proportional to 509,036.00, 702,475.45 and 279,598.66

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Solution

The fourth proportional to 509,036.00, 702,475.45 and 279,598.66 is: 385,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,036.00 : 702,475.45 = 279,598.66 : x
  2. Step 2: Convert to fraction form
    509,036.00/702,475.45 = 279,598.66/x
  3. Step 3: Cross multiply
    509,036.00x = 702,475.45 × 279,598.66
  4. Step 4: Simplify right side
    509,036.00x = 196,411,192,047.71
  5. Step 5: Solve for x
    x = 196,411,192,047.71/509,036.00
  6. Step 6: Final answer
    x = 385,849.32

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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.