Home / 700,600.05-1,047,061.35-511,458.72

Finding the Fourth Proportional to 700,600.05, 1,047,061.35 and 511,458.72

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Solution

The fourth proportional to 700,600.05, 1,047,061.35 and 511,458.72 is: 764,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,600.05 : 1,047,061.35 = 511,458.72 : x
  2. Step 2: Convert to fraction form
    700,600.05/1,047,061.35 = 511,458.72/x
  3. Step 3: Cross multiply
    700,600.05x = 1,047,061.35 × 511,458.72
  4. Step 4: Simplify right side
    700,600.05x = 535,528,657,832.47
  5. Step 5: Solve for x
    x = 535,528,657,832.47/700,600.05
  6. Step 6: Final answer
    x = 764,385.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.