Home / 948,866.81-1,309,434.66-519,148.67

Finding the Fourth Proportional to 948,866.81, 1,309,434.66 and 519,148.67

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Solution

The fourth proportional to 948,866.81, 1,309,434.66 and 519,148.67 is: 716,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,866.81 : 1,309,434.66 = 519,148.67 : x
  2. Step 2: Convert to fraction form
    948,866.81/1,309,434.66 = 519,148.67/x
  3. Step 3: Cross multiply
    948,866.81x = 1,309,434.66 × 519,148.67
  4. Step 4: Simplify right side
    948,866.81x = 679,791,255,643.73
  5. Step 5: Solve for x
    x = 679,791,255,643.73/948,866.81
  6. Step 6: Final answer
    x = 716,424.32

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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.