Home / 803,070.72-1,108,111.68-463,475.52

Finding the Fourth Proportional to 803,070.72, 1,108,111.68 and 463,475.52

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Solution

The fourth proportional to 803,070.72, 1,108,111.68 and 463,475.52 is: 639,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,070.72 : 1,108,111.68 = 463,475.52 : x
  2. Step 2: Convert to fraction form
    803,070.72/1,108,111.68 = 463,475.52/x
  3. Step 3: Cross multiply
    803,070.72x = 1,108,111.68 × 463,475.52
  4. Step 4: Simplify right side
    803,070.72x = 513,582,637,106.07
  5. Step 5: Solve for x
    x = 513,582,637,106.07/803,070.72
  6. Step 6: Final answer
    x = 639,523.55

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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.