Home / 840,416.02-1,159,782.48-458,450.80

Finding the Fourth Proportional to 840,416.02, 1,159,782.48 and 458,450.80

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Solution

The fourth proportional to 840,416.02, 1,159,782.48 and 458,450.80 is: 632,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,416.02 : 1,159,782.48 = 458,450.80 : x
  2. Step 2: Convert to fraction form
    840,416.02/1,159,782.48 = 458,450.80/x
  3. Step 3: Cross multiply
    840,416.02x = 1,159,782.48 × 458,450.80
  4. Step 4: Simplify right side
    840,416.02x = 531,703,205,781.98
  5. Step 5: Solve for x
    x = 531,703,205,781.98/840,416.02
  6. Step 6: Final answer
    x = 632,666.67

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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.