Home / 875,174.79-1,207,965.93-570,011.61

Finding the Fourth Proportional to 875,174.79, 1,207,965.93 and 570,011.61

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Solution

The fourth proportional to 875,174.79, 1,207,965.93 and 570,011.61 is: 786,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,174.79 : 1,207,965.93 = 570,011.61 : x
  2. Step 2: Convert to fraction form
    875,174.79/1,207,965.93 = 570,011.61/x
  3. Step 3: Cross multiply
    875,174.79x = 1,207,965.93 × 570,011.61
  4. Step 4: Simplify right side
    875,174.79x = 688,554,604,584.45
  5. Step 5: Solve for x
    x = 688,554,604,584.45/875,174.79
  6. Step 6: Final answer
    x = 786,762.38

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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.