Home / 571,973.19-857,964.67-145,509.40

Finding the Fourth Proportional to 571,973.19, 857,964.67 and 145,509.40

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Solution

The fourth proportional to 571,973.19, 857,964.67 and 145,509.40 is: 218,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,973.19 : 857,964.67 = 145,509.40 : x
  2. Step 2: Convert to fraction form
    571,973.19/857,964.67 = 145,509.40/x
  3. Step 3: Cross multiply
    571,973.19x = 857,964.67 × 145,509.40
  4. Step 4: Simplify right side
    571,973.19x = 124,841,924,352.90
  5. Step 5: Solve for x
    x = 124,841,924,352.90/571,973.19
  6. Step 6: Final answer
    x = 218,265.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.