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Finding the Fourth Proportional to 520,054.10, 779,206.35 and 444,821.30

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Solution

The fourth proportional to 520,054.10, 779,206.35 and 444,821.30 is: 666,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,054.10 : 779,206.35 = 444,821.30 : x
  2. Step 2: Convert to fraction form
    520,054.10/779,206.35 = 444,821.30/x
  3. Step 3: Cross multiply
    520,054.10x = 779,206.35 × 444,821.30
  4. Step 4: Simplify right side
    520,054.10x = 346,607,581,575.26
  5. Step 5: Solve for x
    x = 346,607,581,575.26/520,054.10
  6. Step 6: Final answer
    x = 666,483.70

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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.