Home / 989,427.69-1,365,410.66-559,698.66

Finding the Fourth Proportional to 989,427.69, 1,365,410.66 and 559,698.66

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Solution

The fourth proportional to 989,427.69, 1,365,410.66 and 559,698.66 is: 772,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,427.69 : 1,365,410.66 = 559,698.66 : x
  2. Step 2: Convert to fraction form
    989,427.69/1,365,410.66 = 559,698.66/x
  3. Step 3: Cross multiply
    989,427.69x = 1,365,410.66 × 559,698.66
  4. Step 4: Simplify right side
    989,427.69x = 764,218,513,953.22
  5. Step 5: Solve for x
    x = 764,218,513,953.22/989,427.69
  6. Step 6: Final answer
    x = 772,384.40

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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.