Home / 743,972.40-1,026,609.93-417,298.32

Finding the Fourth Proportional to 743,972.40, 1,026,609.93 and 417,298.32

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Solution

The fourth proportional to 743,972.40, 1,026,609.93 and 417,298.32 is: 575,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,972.40 : 1,026,609.93 = 417,298.32 : x
  2. Step 2: Convert to fraction form
    743,972.40/1,026,609.93 = 417,298.32/x
  3. Step 3: Cross multiply
    743,972.40x = 1,026,609.93 × 417,298.32
  4. Step 4: Simplify right side
    743,972.40x = 428,402,599,084.32
  5. Step 5: Solve for x
    x = 428,402,599,084.32/743,972.40
  6. Step 6: Final answer
    x = 575,831.31

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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.