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Finding the Fourth Proportional to 590,056.68, 814,407.18 and 375,154.77

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Solution

The fourth proportional to 590,056.68, 814,407.18 and 375,154.77 is: 517,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,056.68 : 814,407.18 = 375,154.77 : x
  2. Step 2: Convert to fraction form
    590,056.68/814,407.18 = 375,154.77/x
  3. Step 3: Cross multiply
    590,056.68x = 814,407.18 × 375,154.77
  4. Step 4: Simplify right side
    590,056.68x = 305,528,739,946.45
  5. Step 5: Solve for x
    x = 305,528,739,946.45/590,056.68
  6. Step 6: Final answer
    x = 517,795.58

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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.