Home / 750,384.68-1,035,530.63-406,220.35

Finding the Fourth Proportional to 750,384.68, 1,035,530.63 and 406,220.35

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Solution

The fourth proportional to 750,384.68, 1,035,530.63 and 406,220.35 is: 560,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,384.68 : 1,035,530.63 = 406,220.35 : x
  2. Step 2: Convert to fraction form
    750,384.68/1,035,530.63 = 406,220.35/x
  3. Step 3: Cross multiply
    750,384.68x = 1,035,530.63 × 406,220.35
  4. Step 4: Simplify right side
    750,384.68x = 420,653,617,264.29
  5. Step 5: Solve for x
    x = 420,653,617,264.29/750,384.68
  6. Step 6: Final answer
    x = 560,583.96

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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.