Home / 462,929.52-638,828.06-258,984.01

Finding the Fourth Proportional to 462,929.52, 638,828.06 and 258,984.01

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Solution

The fourth proportional to 462,929.52, 638,828.06 and 258,984.01 is: 357,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,929.52 : 638,828.06 = 258,984.01 : x
  2. Step 2: Convert to fraction form
    462,929.52/638,828.06 = 258,984.01/x
  3. Step 3: Cross multiply
    462,929.52x = 638,828.06 × 258,984.01
  4. Step 4: Simplify right side
    462,929.52x = 165,446,249,787.33
  5. Step 5: Solve for x
    x = 165,446,249,787.33/462,929.52
  6. Step 6: Final answer
    x = 357,389.72

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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.