Home / 745,400.04-1,117,225.26-390,581.16

Finding the Fourth Proportional to 745,400.04, 1,117,225.26 and 390,581.16

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Solution

The fourth proportional to 745,400.04, 1,117,225.26 and 390,581.16 is: 585,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,400.04 : 1,117,225.26 = 390,581.16 : x
  2. Step 2: Convert to fraction form
    745,400.04/1,117,225.26 = 390,581.16/x
  3. Step 3: Cross multiply
    745,400.04x = 1,117,225.26 × 390,581.16
  4. Step 4: Simplify right side
    745,400.04x = 436,367,138,032.10
  5. Step 5: Solve for x
    x = 436,367,138,032.10/745,400.04
  6. Step 6: Final answer
    x = 585,413.35

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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.