Home / 745,883.18-1,029,320.09-423,593.20

Finding the Fourth Proportional to 745,883.18, 1,029,320.09 and 423,593.20

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Solution

The fourth proportional to 745,883.18, 1,029,320.09 and 423,593.20 is: 584,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,883.18 : 1,029,320.09 = 423,593.20 : x
  2. Step 2: Convert to fraction form
    745,883.18/1,029,320.09 = 423,593.20/x
  3. Step 3: Cross multiply
    745,883.18x = 1,029,320.09 × 423,593.20
  4. Step 4: Simplify right side
    745,883.18x = 436,012,987,501.63
  5. Step 5: Solve for x
    x = 436,012,987,501.63/745,883.18
  6. Step 6: Final answer
    x = 584,559.35

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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.