Home / 926,038.40-1,389,111.36-357,422.66

Finding the Fourth Proportional to 926,038.40, 1,389,111.36 and 357,422.66

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Solution

The fourth proportional to 926,038.40, 1,389,111.36 and 357,422.66 is: 536,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,038.40 : 1,389,111.36 = 357,422.66 : x
  2. Step 2: Convert to fraction form
    926,038.40/1,389,111.36 = 357,422.66/x
  3. Step 3: Cross multiply
    926,038.40x = 1,389,111.36 × 357,422.66
  4. Step 4: Simplify right side
    926,038.40x = 496,499,877,327.42
  5. Step 5: Solve for x
    x = 496,499,877,327.42/926,038.40
  6. Step 6: Final answer
    x = 536,154.74

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Double scale
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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.