Home / 915,517.95-1,263,364.17-507,595.98

Finding the Fourth Proportional to 915,517.95, 1,263,364.17 and 507,595.98

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Solution

The fourth proportional to 915,517.95, 1,263,364.17 and 507,595.98 is: 700,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,517.95 : 1,263,364.17 = 507,595.98 : x
  2. Step 2: Convert to fraction form
    915,517.95/1,263,364.17 = 507,595.98/x
  3. Step 3: Cross multiply
    915,517.95x = 1,263,364.17 × 507,595.98
  4. Step 4: Simplify right side
    915,517.95x = 641,278,573,968.04
  5. Step 5: Solve for x
    x = 641,278,573,968.04/915,517.95
  6. Step 6: Final answer
    x = 700,454.40

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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.