Home / 708,884.47-977,707.65-454,259.35

Finding the Fourth Proportional to 708,884.47, 977,707.65 and 454,259.35

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Solution

The fourth proportional to 708,884.47, 977,707.65 and 454,259.35 is: 626,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,884.47 : 977,707.65 = 454,259.35 : x
  2. Step 2: Convert to fraction form
    708,884.47/977,707.65 = 454,259.35/x
  3. Step 3: Cross multiply
    708,884.47x = 977,707.65 × 454,259.35
  4. Step 4: Simplify right side
    708,884.47x = 444,132,841,579.03
  5. Step 5: Solve for x
    x = 444,132,841,579.03/708,884.47
  6. Step 6: Final answer
    x = 626,523.59

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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.