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Finding the Fourth Proportional to 964,868, 1,330,646.52 and 602,325.40

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Solution

The fourth proportional to 964,868, 1,330,646.52 and 602,325.40 is: 830,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,868 : 1,330,646.52 = 602,325.40 : x
  2. Step 2: Convert to fraction form
    964,868/1,330,646.52 = 602,325.40/x
  3. Step 3: Cross multiply
    964,868x = 1,330,646.52 × 602,325.40
  4. Step 4: Simplify right side
    964,868x = 801,482,197,417.61
  5. Step 5: Solve for x
    x = 801,482,197,417.61/964,868
  6. Step 6: Final answer
    x = 830,665.12

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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.