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Finding the Fourth Proportional to 533,055.33, 735,595.02 and 291,340.80

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Solution

The fourth proportional to 533,055.33, 735,595.02 and 291,340.80 is: 402,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,055.33 : 735,595.02 = 291,340.80 : x
  2. Step 2: Convert to fraction form
    533,055.33/735,595.02 = 291,340.80/x
  3. Step 3: Cross multiply
    533,055.33x = 735,595.02 × 291,340.80
  4. Step 4: Simplify right side
    533,055.33x = 214,308,841,602.82
  5. Step 5: Solve for x
    x = 214,308,841,602.82/533,055.33
  6. Step 6: Final answer
    x = 402,038.64

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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.