Home / 745,738.32-1,029,125.90-423,455.16

Finding the Fourth Proportional to 745,738.32, 1,029,125.90 and 423,455.16

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Solution

The fourth proportional to 745,738.32, 1,029,125.90 and 423,455.16 is: 584,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,738.32 : 1,029,125.90 = 423,455.16 : x
  2. Step 2: Convert to fraction form
    745,738.32/1,029,125.90 = 423,455.16/x
  3. Step 3: Cross multiply
    745,738.32x = 1,029,125.90 × 423,455.16
  4. Step 4: Simplify right side
    745,738.32x = 435,788,672,644.64
  5. Step 5: Solve for x
    x = 435,788,672,644.64/745,738.32
  6. Step 6: Final answer
    x = 584,372.11

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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.