Home / 963,426.41-1,445,172.41-457,726.40

Finding the Fourth Proportional to 963,426.41, 1,445,172.41 and 457,726.40

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Solution

The fourth proportional to 963,426.41, 1,445,172.41 and 457,726.40 is: 686,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,426.41 : 1,445,172.41 = 457,726.40 : x
  2. Step 2: Convert to fraction form
    963,426.41/1,445,172.41 = 457,726.40/x
  3. Step 3: Cross multiply
    963,426.41x = 1,445,172.41 × 457,726.40
  4. Step 4: Simplify right side
    963,426.41x = 661,493,558,527.08
  5. Step 5: Solve for x
    x = 661,493,558,527.08/963,426.41
  6. Step 6: Final answer
    x = 686,605.18

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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.