Home / 613,946.58-921,495.78-377,750.58

Finding the Fourth Proportional to 613,946.58, 921,495.78 and 377,750.58

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Solution

The fourth proportional to 613,946.58, 921,495.78 and 377,750.58 is: 566,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,946.58 : 921,495.78 = 377,750.58 : x
  2. Step 2: Convert to fraction form
    613,946.58/921,495.78 = 377,750.58/x
  3. Step 3: Cross multiply
    613,946.58x = 921,495.78 × 377,750.58
  4. Step 4: Simplify right side
    613,946.58x = 348,095,565,362.55
  5. Step 5: Solve for x
    x = 348,095,565,362.55/613,946.58
  6. Step 6: Final answer
    x = 566,980.22

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1.5x scale

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.