Home / 735,541.60-1,103,312.40-286,283.20

Finding the Fourth Proportional to 735,541.60, 1,103,312.40 and 286,283.20

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Solution

The fourth proportional to 735,541.60, 1,103,312.40 and 286,283.20 is: 429,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,541.60 : 1,103,312.40 = 286,283.20 : x
  2. Step 2: Convert to fraction form
    735,541.60/1,103,312.40 = 286,283.20/x
  3. Step 3: Cross multiply
    735,541.60x = 1,103,312.40 × 286,283.20
  4. Step 4: Simplify right side
    735,541.60x = 315,859,804,471.68
  5. Step 5: Solve for x
    x = 315,859,804,471.68/735,541.60
  6. Step 6: Final answer
    x = 429,424.80

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Double scale
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Similar ratio
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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.