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Finding the Fourth Proportional to 586,381.60, 880,090.80 and 502,400.80

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Solution

The fourth proportional to 586,381.60, 880,090.80 and 502,400.80 is: 754,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,381.60 : 880,090.80 = 502,400.80 : x
  2. Step 2: Convert to fraction form
    586,381.60/880,090.80 = 502,400.80/x
  3. Step 3: Cross multiply
    586,381.60x = 880,090.80 × 502,400.80
  4. Step 4: Simplify right side
    586,381.60x = 442,158,321,992.64
  5. Step 5: Solve for x
    x = 442,158,321,992.64/586,381.60
  6. Step 6: Final answer
    x = 754,045.36

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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.