Home / 907,897.04-1,359,285.20-480,464.72

Finding the Fourth Proportional to 907,897.04, 1,359,285.20 and 480,464.72

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Solution

The fourth proportional to 907,897.04, 1,359,285.20 and 480,464.72 is: 719,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,897.04 : 1,359,285.20 = 480,464.72 : x
  2. Step 2: Convert to fraction form
    907,897.04/1,359,285.20 = 480,464.72/x
  3. Step 3: Cross multiply
    907,897.04x = 1,359,285.20 × 480,464.72
  4. Step 4: Simplify right side
    907,897.04x = 653,088,583,018.14
  5. Step 5: Solve for x
    x = 653,088,583,018.14/907,897.04
  6. Step 6: Final answer
    x = 719,342.12

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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.