Home / 915,701.83-1,373,365.69-346,886.82

Finding the Fourth Proportional to 915,701.83, 1,373,365.69 and 346,886.82

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Solution

The fourth proportional to 915,701.83, 1,373,365.69 and 346,886.82 is: 520,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,701.83 : 1,373,365.69 = 346,886.82 : x
  2. Step 2: Convert to fraction form
    915,701.83/1,373,365.69 = 346,886.82/x
  3. Step 3: Cross multiply
    915,701.83x = 1,373,365.69 × 346,886.82
  4. Step 4: Simplify right side
    915,701.83x = 476,402,456,901.21
  5. Step 5: Solve for x
    x = 476,402,456,901.21/915,701.83
  6. Step 6: Final answer
    x = 520,259.37

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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.