Home / 915,097.40-1,262,909.99-507,327.15

Finding the Fourth Proportional to 915,097.40, 1,262,909.99 and 507,327.15

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Solution

The fourth proportional to 915,097.40, 1,262,909.99 and 507,327.15 is: 700,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,097.40 : 1,262,909.99 = 507,327.15 : x
  2. Step 2: Convert to fraction form
    915,097.40/1,262,909.99 = 507,327.15/x
  3. Step 3: Cross multiply
    915,097.40x = 1,262,909.99 × 507,327.15
  4. Step 4: Simplify right side
    915,097.40x = 640,708,525,933.23
  5. Step 5: Solve for x
    x = 640,708,525,933.23/915,097.40
  6. Step 6: Final answer
    x = 700,153.37

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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.