Home / 559,217.98-771,720.76-304,569.16

Finding the Fourth Proportional to 559,217.98, 771,720.76 and 304,569.16

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Solution

The fourth proportional to 559,217.98, 771,720.76 and 304,569.16 is: 420,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,217.98 : 771,720.76 = 304,569.16 : x
  2. Step 2: Convert to fraction form
    559,217.98/771,720.76 = 304,569.16/x
  3. Step 3: Cross multiply
    559,217.98x = 771,720.76 × 304,569.16
  4. Step 4: Simplify right side
    559,217.98x = 235,042,343,627.76
  5. Step 5: Solve for x
    x = 235,042,343,627.76/559,217.98
  6. Step 6: Final answer
    x = 420,305.41

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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.