Home / 830,931.60-1,146,669.63-468,348.42

Finding the Fourth Proportional to 830,931.60, 1,146,669.63 and 468,348.42

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Solution

The fourth proportional to 830,931.60, 1,146,669.63 and 468,348.42 is: 646,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,931.60 : 1,146,669.63 = 468,348.42 : x
  2. Step 2: Convert to fraction form
    830,931.60/1,146,669.63 = 468,348.42/x
  3. Step 3: Cross multiply
    830,931.60x = 1,146,669.63 × 468,348.42
  4. Step 4: Simplify right side
    830,931.60x = 537,040,909,472.49
  5. Step 5: Solve for x
    x = 537,040,909,472.49/830,931.60
  6. Step 6: Final answer
    x = 646,311.81

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Double scale
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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.