Home / 875,429.83-1,208,186.18-513,158.17

Finding the Fourth Proportional to 875,429.83, 1,208,186.18 and 513,158.17

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Solution

The fourth proportional to 875,429.83, 1,208,186.18 and 513,158.17 is: 708,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,429.83 : 1,208,186.18 = 513,158.17 : x
  2. Step 2: Convert to fraction form
    875,429.83/1,208,186.18 = 513,158.17/x
  3. Step 3: Cross multiply
    875,429.83x = 1,208,186.18 × 513,158.17
  4. Step 4: Simplify right side
    875,429.83x = 619,990,609,148.09
  5. Step 5: Solve for x
    x = 619,990,609,148.09/875,429.83
  6. Step 6: Final answer
    x = 708,212.80

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Double scale
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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.