Home / 761,263.32-1,050,304.60-438,929.76

Finding the Fourth Proportional to 761,263.32, 1,050,304.60 and 438,929.76

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Solution

The fourth proportional to 761,263.32, 1,050,304.60 and 438,929.76 is: 605,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,263.32 : 1,050,304.60 = 438,929.76 : x
  2. Step 2: Convert to fraction form
    761,263.32/1,050,304.60 = 438,929.76/x
  3. Step 3: Cross multiply
    761,263.32x = 1,050,304.60 × 438,929.76
  4. Step 4: Simplify right side
    761,263.32x = 461,009,946,004.90
  5. Step 5: Solve for x
    x = 461,009,946,004.90/761,263.32
  6. Step 6: Final answer
    x = 605,585.39

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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.