Home / 1,039,302.80-1,559,002.80-329,386.40

Finding the Fourth Proportional to 1,039,302.80, 1,559,002.80 and 329,386.40

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Solution

The fourth proportional to 1,039,302.80, 1,559,002.80 and 329,386.40 is: 494,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,302.80 : 1,559,002.80 = 329,386.40 : x
  2. Step 2: Convert to fraction form
    1,039,302.80/1,559,002.80 = 329,386.40/x
  3. Step 3: Cross multiply
    1,039,302.80x = 1,559,002.80 × 329,386.40
  4. Step 4: Simplify right side
    1,039,302.80x = 513,514,319,881.92
  5. Step 5: Solve for x
    x = 513,514,319,881.92/1,039,302.80
  6. Step 6: Final answer
    x = 494,095.00

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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.