Home / 1,038,862.80-1,558,342.80-328,946.40

Finding the Fourth Proportional to 1,038,862.80, 1,558,342.80 and 328,946.40

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Solution

The fourth proportional to 1,038,862.80, 1,558,342.80 and 328,946.40 is: 493,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,862.80 : 1,558,342.80 = 328,946.40 : x
  2. Step 2: Convert to fraction form
    1,038,862.80/1,558,342.80 = 328,946.40/x
  3. Step 3: Cross multiply
    1,038,862.80x = 1,558,342.80 × 328,946.40
  4. Step 4: Simplify right side
    1,038,862.80x = 512,611,254,025.92
  5. Step 5: Solve for x
    x = 512,611,254,025.92/1,038,862.80
  6. Step 6: Final answer
    x = 493,434.99

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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.