Home / 868,501.80-1,302,445.50-413,039.40

Finding the Fourth Proportional to 868,501.80, 1,302,445.50 and 413,039.40

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Solution

The fourth proportional to 868,501.80, 1,302,445.50 and 413,039.40 is: 619,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,501.80 : 1,302,445.50 = 413,039.40 : x
  2. Step 2: Convert to fraction form
    868,501.80/1,302,445.50 = 413,039.40/x
  3. Step 3: Cross multiply
    868,501.80x = 1,302,445.50 × 413,039.40
  4. Step 4: Simplify right side
    868,501.80x = 537,961,307,852.70
  5. Step 5: Solve for x
    x = 537,961,307,852.70/868,501.80
  6. Step 6: Final answer
    x = 619,413.00

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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.