Home / 852,701.15-1,176,748.98-485,158.07

Finding the Fourth Proportional to 852,701.15, 1,176,748.98 and 485,158.07

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Solution

The fourth proportional to 852,701.15, 1,176,748.98 and 485,158.07 is: 669,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,701.15 : 1,176,748.98 = 485,158.07 : x
  2. Step 2: Convert to fraction form
    852,701.15/1,176,748.98 = 485,158.07/x
  3. Step 3: Cross multiply
    852,701.15x = 1,176,748.98 × 485,158.07
  4. Step 4: Simplify right side
    852,701.15x = 570,909,264,011.27
  5. Step 5: Solve for x
    x = 570,909,264,011.27/852,701.15
  6. Step 6: Final answer
    x = 669,530.31

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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.