Home / 830,374.47-1,145,920.27-467,802.68

Finding the Fourth Proportional to 830,374.47, 1,145,920.27 and 467,802.68

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Solution

The fourth proportional to 830,374.47, 1,145,920.27 and 467,802.68 is: 645,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,374.47 : 1,145,920.27 = 467,802.68 : x
  2. Step 2: Convert to fraction form
    830,374.47/1,145,920.27 = 467,802.68/x
  3. Step 3: Cross multiply
    830,374.47x = 1,145,920.27 × 467,802.68
  4. Step 4: Simplify right side
    830,374.47x = 536,064,571,092.28
  5. Step 5: Solve for x
    x = 536,064,571,092.28/830,374.47
  6. Step 6: Final answer
    x = 645,569.67

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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.