Home / 743,921.67-1,026,623.15-417,307.07

Finding the Fourth Proportional to 743,921.67, 1,026,623.15 and 417,307.07

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Solution

The fourth proportional to 743,921.67, 1,026,623.15 and 417,307.07 is: 575,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,921.67 : 1,026,623.15 = 417,307.07 : x
  2. Step 2: Convert to fraction form
    743,921.67/1,026,623.15 = 417,307.07/x
  3. Step 3: Cross multiply
    743,921.67x = 1,026,623.15 × 417,307.07
  4. Step 4: Simplify right side
    743,921.67x = 428,417,091,501.02
  5. Step 5: Solve for x
    x = 428,417,091,501.02/743,921.67
  6. Step 6: Final answer
    x = 575,890.06

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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.