Home / 963,905.40-1,445,598.90-402,823.80

Finding the Fourth Proportional to 963,905.40, 1,445,598.90 and 402,823.80

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Solution

The fourth proportional to 963,905.40, 1,445,598.90 and 402,823.80 is: 604,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,905.40 : 1,445,598.90 = 402,823.80 : x
  2. Step 2: Convert to fraction form
    963,905.40/1,445,598.90 = 402,823.80/x
  3. Step 3: Cross multiply
    963,905.40x = 1,445,598.90 × 402,823.80
  4. Step 4: Simplify right side
    963,905.40x = 582,321,642,173.82
  5. Step 5: Solve for x
    x = 582,321,642,173.82/963,905.40
  6. Step 6: Final answer
    x = 604,127.38

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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.