Home / 510,948.66-705,075.33-307,008.18

Finding the Fourth Proportional to 510,948.66, 705,075.33 and 307,008.18

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Solution

The fourth proportional to 510,948.66, 705,075.33 and 307,008.18 is: 423,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,948.66 : 705,075.33 = 307,008.18 : x
  2. Step 2: Convert to fraction form
    510,948.66/705,075.33 = 307,008.18/x
  3. Step 3: Cross multiply
    510,948.66x = 705,075.33 × 307,008.18
  4. Step 4: Simplify right side
    510,948.66x = 216,463,893,826.20
  5. Step 5: Solve for x
    x = 216,463,893,826.20/510,948.66
  6. Step 6: Final answer
    x = 423,650.97

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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.