Home / 750,285.48-1,123,626.30-429,465

Finding the Fourth Proportional to 750,285.48, 1,123,626.30 and 429,465

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Solution

The fourth proportional to 750,285.48, 1,123,626.30 and 429,465 is: 643,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,285.48 : 1,123,626.30 = 429,465 : x
  2. Step 2: Convert to fraction form
    750,285.48/1,123,626.30 = 429,465/x
  3. Step 3: Cross multiply
    750,285.48x = 1,123,626.30 × 429,465
  4. Step 4: Simplify right side
    750,285.48x = 482,558,168,929.50
  5. Step 5: Solve for x
    x = 482,558,168,929.50/750,285.48
  6. Step 6: Final answer
    x = 643,166.08

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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.