Home / 908,259.40-1,362,389.10-768,291.40

Finding the Fourth Proportional to 908,259.40, 1,362,389.10 and 768,291.40

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Solution

The fourth proportional to 908,259.40, 1,362,389.10 and 768,291.40 is: 1,152,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,259.40 : 1,362,389.10 = 768,291.40 : x
  2. Step 2: Convert to fraction form
    908,259.40/1,362,389.10 = 768,291.40/x
  3. Step 3: Cross multiply
    908,259.40x = 1,362,389.10 × 768,291.40
  4. Step 4: Simplify right side
    908,259.40x = 1,046,711,828,983.74
  5. Step 5: Solve for x
    x = 1,046,711,828,983.74/908,259.40
  6. Step 6: Final answer
    x = 1,152,437.10

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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.