Home / 875,814.60-1,312,685.10-370,374.60

Finding the Fourth Proportional to 875,814.60, 1,312,685.10 and 370,374.60

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Solution

The fourth proportional to 875,814.60, 1,312,685.10 and 370,374.60 is: 555,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,814.60 : 1,312,685.10 = 370,374.60 : x
  2. Step 2: Convert to fraction form
    875,814.60/1,312,685.10 = 370,374.60/x
  3. Step 3: Cross multiply
    875,814.60x = 1,312,685.10 × 370,374.60
  4. Step 4: Simplify right side
    875,814.60x = 486,185,218,838.46
  5. Step 5: Solve for x
    x = 486,185,218,838.46/875,814.60
  6. Step 6: Final answer
    x = 555,123.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.