Home / 830,468.81-1,145,718.91-524,430.97

Finding the Fourth Proportional to 830,468.81, 1,145,718.91 and 524,430.97

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Solution

The fourth proportional to 830,468.81, 1,145,718.91 and 524,430.97 is: 723,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,468.81 : 1,145,718.91 = 524,430.97 : x
  2. Step 2: Convert to fraction form
    830,468.81/1,145,718.91 = 524,430.97/x
  3. Step 3: Cross multiply
    830,468.81x = 1,145,718.91 × 524,430.97
  4. Step 4: Simplify right side
    830,468.81x = 600,850,477,109.88
  5. Step 5: Solve for x
    x = 600,850,477,109.88/830,468.81
  6. Step 6: Final answer
    x = 723,507.58

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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.