Home / 975,209.74-1,462,288.65-442,440.07

Finding the Fourth Proportional to 975,209.74, 1,462,288.65 and 442,440.07

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Solution

The fourth proportional to 975,209.74, 1,462,288.65 and 442,440.07 is: 663,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,209.74 : 1,462,288.65 = 442,440.07 : x
  2. Step 2: Convert to fraction form
    975,209.74/1,462,288.65 = 442,440.07/x
  3. Step 3: Cross multiply
    975,209.74x = 1,462,288.65 × 442,440.07
  4. Step 4: Simplify right side
    975,209.74x = 646,975,092,666.21
  5. Step 5: Solve for x
    x = 646,975,092,666.21/975,209.74
  6. Step 6: Final answer
    x = 663,421.48

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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.