Home / 782,445.17-1,173,529.04-355,881.35

Finding the Fourth Proportional to 782,445.17, 1,173,529.04 and 355,881.35

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Solution

The fourth proportional to 782,445.17, 1,173,529.04 and 355,881.35 is: 533,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,445.17 : 1,173,529.04 = 355,881.35 : x
  2. Step 2: Convert to fraction form
    782,445.17/1,173,529.04 = 355,881.35/x
  3. Step 3: Cross multiply
    782,445.17x = 1,173,529.04 × 355,881.35
  4. Step 4: Simplify right side
    782,445.17x = 417,637,091,372.35
  5. Step 5: Solve for x
    x = 417,637,091,372.35/782,445.17
  6. Step 6: Final answer
    x = 533,758.93

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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.