Home / 742,780.30-1,025,041.12-436,869.58

Finding the Fourth Proportional to 742,780.30, 1,025,041.12 and 436,869.58

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Solution

The fourth proportional to 742,780.30, 1,025,041.12 and 436,869.58 is: 602,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,780.30 : 1,025,041.12 = 436,869.58 : x
  2. Step 2: Convert to fraction form
    742,780.30/1,025,041.12 = 436,869.58/x
  3. Step 3: Cross multiply
    742,780.30x = 1,025,041.12 × 436,869.58
  4. Step 4: Simplify right side
    742,780.30x = 447,809,283,577.13
  5. Step 5: Solve for x
    x = 447,809,283,577.13/742,780.30
  6. Step 6: Final answer
    x = 602,882.55

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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.