Home / 906,971.40-1,360,457.10-508,840.20

Finding the Fourth Proportional to 906,971.40, 1,360,457.10 and 508,840.20

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Solution

The fourth proportional to 906,971.40, 1,360,457.10 and 508,840.20 is: 763,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,971.40 : 1,360,457.10 = 508,840.20 : x
  2. Step 2: Convert to fraction form
    906,971.40/1,360,457.10 = 508,840.20/x
  3. Step 3: Cross multiply
    906,971.40x = 1,360,457.10 × 508,840.20
  4. Step 4: Simplify right side
    906,971.40x = 692,255,262,855.42
  5. Step 5: Solve for x
    x = 692,255,262,855.42/906,971.40
  6. Step 6: Final answer
    x = 763,260.30

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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.