Home / 486,450.04-671,250.14-282,461.20

Finding the Fourth Proportional to 486,450.04, 671,250.14 and 282,461.20

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Solution

The fourth proportional to 486,450.04, 671,250.14 and 282,461.20 is: 389,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,450.04 : 671,250.14 = 282,461.20 : x
  2. Step 2: Convert to fraction form
    486,450.04/671,250.14 = 282,461.20/x
  3. Step 3: Cross multiply
    486,450.04x = 671,250.14 × 282,461.20
  4. Step 4: Simplify right side
    486,450.04x = 189,602,119,901.26
  5. Step 5: Solve for x
    x = 189,602,119,901.26/486,450.04
  6. Step 6: Final answer
    x = 389,766.89

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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.