Home / 745,607.64-1,028,950.38-423,311.16

Finding the Fourth Proportional to 745,607.64, 1,028,950.38 and 423,311.16

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Solution

The fourth proportional to 745,607.64, 1,028,950.38 and 423,311.16 is: 584,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,607.64 : 1,028,950.38 = 423,311.16 : x
  2. Step 2: Convert to fraction form
    745,607.64/1,028,950.38 = 423,311.16/x
  3. Step 3: Cross multiply
    745,607.64x = 1,028,950.38 × 423,311.16
  4. Step 4: Simplify right side
    745,607.64x = 435,566,178,940.24
  5. Step 5: Solve for x
    x = 435,566,178,940.24/745,607.64
  6. Step 6: Final answer
    x = 584,176.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.