Home / 1,030,283.29-1,421,795.10-571,440.70

Finding the Fourth Proportional to 1,030,283.29, 1,421,795.10 and 571,440.70

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Solution

The fourth proportional to 1,030,283.29, 1,421,795.10 and 571,440.70 is: 788,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,283.29 : 1,421,795.10 = 571,440.70 : x
  2. Step 2: Convert to fraction form
    1,030,283.29/1,421,795.10 = 571,440.70/x
  3. Step 3: Cross multiply
    1,030,283.29x = 1,421,795.10 × 571,440.70
  4. Step 4: Simplify right side
    1,030,283.29x = 812,471,587,200.57
  5. Step 5: Solve for x
    x = 812,471,587,200.57/1,030,283.29
  6. Step 6: Final answer
    x = 788,590.47

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.