Home / 840,307.36-1,159,637.98-458,334.16

Finding the Fourth Proportional to 840,307.36, 1,159,637.98 and 458,334.16

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Solution

The fourth proportional to 840,307.36, 1,159,637.98 and 458,334.16 is: 632,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,307.36 : 1,159,637.98 = 458,334.16 : x
  2. Step 2: Convert to fraction form
    840,307.36/1,159,637.98 = 458,334.16/x
  3. Step 3: Cross multiply
    840,307.36x = 1,159,637.98 × 458,334.16
  4. Step 4: Simplify right side
    840,307.36x = 531,501,699,467.40
  5. Step 5: Solve for x
    x = 531,501,699,467.40/840,307.36
  6. Step 6: Final answer
    x = 632,508.68

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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.