Home / 559,029.02-771,461.86-304,381.76

Finding the Fourth Proportional to 559,029.02, 771,461.86 and 304,381.76

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Solution

The fourth proportional to 559,029.02, 771,461.86 and 304,381.76 is: 420,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,029.02 : 771,461.86 = 304,381.76 : x
  2. Step 2: Convert to fraction form
    559,029.02/771,461.86 = 304,381.76/x
  3. Step 3: Cross multiply
    559,029.02x = 771,461.86 × 304,381.76
  4. Step 4: Simplify right side
    559,029.02x = 234,818,918,719.67
  5. Step 5: Solve for x
    x = 234,818,918,719.67/559,029.02
  6. Step 6: Final answer
    x = 420,047.82

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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.