Home / 436,838.64-602,856.72-245,864.40

Finding the Fourth Proportional to 436,838.64, 602,856.72 and 245,864.40

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Solution

The fourth proportional to 436,838.64, 602,856.72 and 245,864.40 is: 339,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,838.64 : 602,856.72 = 245,864.40 : x
  2. Step 2: Convert to fraction form
    436,838.64/602,856.72 = 245,864.40/x
  3. Step 3: Cross multiply
    436,838.64x = 602,856.72 × 245,864.40
  4. Step 4: Simplify right side
    436,838.64x = 148,221,005,748.77
  5. Step 5: Solve for x
    x = 148,221,005,748.77/436,838.64
  6. Step 6: Final answer
    x = 339,303.79

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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.