Home / 771,769.32-1,064,510.16-542,812.30

Finding the Fourth Proportional to 771,769.32, 1,064,510.16 and 542,812.30

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Solution

The fourth proportional to 771,769.32, 1,064,510.16 and 542,812.30 is: 748,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,769.32 : 1,064,510.16 = 542,812.30 : x
  2. Step 2: Convert to fraction form
    771,769.32/1,064,510.16 = 542,812.30/x
  3. Step 3: Cross multiply
    771,769.32x = 1,064,510.16 × 542,812.30
  4. Step 4: Simplify right side
    771,769.32x = 577,829,208,322.97
  5. Step 5: Solve for x
    x = 577,829,208,322.97/771,769.32
  6. Step 6: Final answer
    x = 748,707.15

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Double scale
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1.5x scale

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.