Home / 728,004.65-1,091,569.58-373,710.65

Finding the Fourth Proportional to 728,004.65, 1,091,569.58 and 373,710.65

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Solution

The fourth proportional to 728,004.65, 1,091,569.58 and 373,710.65 is: 560,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,004.65 : 1,091,569.58 = 373,710.65 : x
  2. Step 2: Convert to fraction form
    728,004.65/1,091,569.58 = 373,710.65/x
  3. Step 3: Cross multiply
    728,004.65x = 1,091,569.58 × 373,710.65
  4. Step 4: Simplify right side
    728,004.65x = 407,931,175,393.47
  5. Step 5: Solve for x
    x = 407,931,175,393.47/728,004.65
  6. Step 6: Final answer
    x = 560,341.44

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1.5x scale

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.