Home / 761,440.32-1,050,775.20-417,273.60

Finding the Fourth Proportional to 761,440.32, 1,050,775.20 and 417,273.60

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Solution

The fourth proportional to 761,440.32, 1,050,775.20 and 417,273.60 is: 575,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,440.32 : 1,050,775.20 = 417,273.60 : x
  2. Step 2: Convert to fraction form
    761,440.32/1,050,775.20 = 417,273.60/x
  3. Step 3: Cross multiply
    761,440.32x = 1,050,775.20 × 417,273.60
  4. Step 4: Simplify right side
    761,440.32x = 438,460,750,494.72
  5. Step 5: Solve for x
    x = 438,460,750,494.72/761,440.32
  6. Step 6: Final answer
    x = 575,830.75

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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.