Home / 947,801.32-1,421,775.46-316,717.40

Finding the Fourth Proportional to 947,801.32, 1,421,775.46 and 316,717.40

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Solution

The fourth proportional to 947,801.32, 1,421,775.46 and 316,717.40 is: 475,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,801.32 : 1,421,775.46 = 316,717.40 : x
  2. Step 2: Convert to fraction form
    947,801.32/1,421,775.46 = 316,717.40/x
  3. Step 3: Cross multiply
    947,801.32x = 1,421,775.46 × 316,717.40
  4. Step 4: Simplify right side
    947,801.32x = 450,301,027,075.00
  5. Step 5: Solve for x
    x = 450,301,027,075.00/947,801.32
  6. Step 6: Final answer
    x = 475,100.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.