Home / 537,443.04-806,303.07-385,815.90

Finding the Fourth Proportional to 537,443.04, 806,303.07 and 385,815.90

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Solution

The fourth proportional to 537,443.04, 806,303.07 and 385,815.90 is: 578,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,443.04 : 806,303.07 = 385,815.90 : x
  2. Step 2: Convert to fraction form
    537,443.04/806,303.07 = 385,815.90/x
  3. Step 3: Cross multiply
    537,443.04x = 806,303.07 × 385,815.90
  4. Step 4: Simplify right side
    537,443.04x = 311,084,544,624.81
  5. Step 5: Solve for x
    x = 311,084,544,624.81/537,443.04
  6. Step 6: Final answer
    x = 578,823.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.