Home / 436,931.51-602,965.64-255,678.29

Finding the Fourth Proportional to 436,931.51, 602,965.64 and 255,678.29

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Solution

The fourth proportional to 436,931.51, 602,965.64 and 255,678.29 is: 352,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,931.51 : 602,965.64 = 255,678.29 : x
  2. Step 2: Convert to fraction form
    436,931.51/602,965.64 = 255,678.29/x
  3. Step 3: Cross multiply
    436,931.51x = 602,965.64 × 255,678.29
  4. Step 4: Simplify right side
    436,931.51x = 154,165,219,470.74
  5. Step 5: Solve for x
    x = 154,165,219,470.74/436,931.51
  6. Step 6: Final answer
    x = 352,836.12

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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.