Home / 779,754.65-1,076,010.80-453,038.72

Finding the Fourth Proportional to 779,754.65, 1,076,010.80 and 453,038.72

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Solution

The fourth proportional to 779,754.65, 1,076,010.80 and 453,038.72 is: 625,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,754.65 : 1,076,010.80 = 453,038.72 : x
  2. Step 2: Convert to fraction form
    779,754.65/1,076,010.80 = 453,038.72/x
  3. Step 3: Cross multiply
    779,754.65x = 1,076,010.80 × 453,038.72
  4. Step 4: Simplify right side
    779,754.65x = 487,474,547,892.93
  5. Step 5: Solve for x
    x = 487,474,547,892.93/779,754.65
  6. Step 6: Final answer
    x = 625,164.02

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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.