Home / 942,256.40-1,412,848.98-643,099.50

Finding the Fourth Proportional to 942,256.40, 1,412,848.98 and 643,099.50

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Solution

The fourth proportional to 942,256.40, 1,412,848.98 and 643,099.50 is: 964,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,256.40 : 1,412,848.98 = 643,099.50 : x
  2. Step 2: Convert to fraction form
    942,256.40/1,412,848.98 = 643,099.50/x
  3. Step 3: Cross multiply
    942,256.40x = 1,412,848.98 × 643,099.50
  4. Step 4: Simplify right side
    942,256.40x = 908,602,472,613.51
  5. Step 5: Solve for x
    x = 908,602,472,613.51/942,256.40
  6. Step 6: Final answer
    x = 964,283.69

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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.