Home / 912,319.51-1,258,970.08-525,081.18

Finding the Fourth Proportional to 912,319.51, 1,258,970.08 and 525,081.18

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Solution

The fourth proportional to 912,319.51, 1,258,970.08 and 525,081.18 is: 724,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,319.51 : 1,258,970.08 = 525,081.18 : x
  2. Step 2: Convert to fraction form
    912,319.51/1,258,970.08 = 525,081.18/x
  3. Step 3: Cross multiply
    912,319.51x = 1,258,970.08 × 525,081.18
  4. Step 4: Simplify right side
    912,319.51x = 661,061,495,191.10
  5. Step 5: Solve for x
    x = 661,061,495,191.10/912,319.51
  6. Step 6: Final answer
    x = 724,594.28

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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.