Home / 830,384.73-1,146,015.54-508,307.67

Finding the Fourth Proportional to 830,384.73, 1,146,015.54 and 508,307.67

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Solution

The fourth proportional to 830,384.73, 1,146,015.54 and 508,307.67 is: 701,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,384.73 : 1,146,015.54 = 508,307.67 : x
  2. Step 2: Convert to fraction form
    830,384.73/1,146,015.54 = 508,307.67/x
  3. Step 3: Cross multiply
    830,384.73x = 1,146,015.54 × 508,307.67
  4. Step 4: Simplify right side
    830,384.73x = 582,528,488,921.19
  5. Step 5: Solve for x
    x = 582,528,488,921.19/830,384.73
  6. Step 6: Final answer
    x = 701,516.38

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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.